CVE-2026-100749

MEDIUMNVD 4.34.3
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

This medium-severity CVE scores 4.3 under NVD CVSS v3. EPSS exploit probability: <0.1% (below the 1st percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from NVD CVSS v3
Sources: EPSS, NVD CVSS v3
Trending — 4 sources updated this week

Also known asEUVD-2026-87929 (ENISA EUVD) · GHSA-2hrp-jfc8-328g (GitHub Security Advisories)Source: ENISA EUVD

4.3EG
EchelonGraph verdictMonitorNo fix is confirmed yet: check the vendor's advisory for a fixed release; until one is applied, restrict network exposure of the affected system or apply the vendor's mitigation on your normal schedule (the SSVC decision on this page).
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: <0.1%CVSS: 4.3Exploit: None knownExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

The CVE record's description, written by its CNA (Joomla! Project), states the affected versions: "Joomla Extension - svenbluege.de - CSRF in backend cleanup actions in Event Gallery extension < 6.5.0 - Only orphaned file entries and shopping carts that are older than 30 days will be deleted." No release containing a fix is confirmed on record.

Joomla Extension - svenbluege.de - CSRF in backend cleanup actions in Event Gallery extension < 6.5.0 - Only orphaned file entries and shopping carts that are older than 30 days will be deleted.

CVSS v3
4.3
EG Score
4.3MEDIUMmedium confidence
EG Risk
19
EG Risk 19/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity43% × 45%
Impact severity (EG Severity): CVSS 4.3 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.1% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at every mission impact level.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: No fix is confirmed yet. Check the vendor's advisory for a fixed release; until one is applied, restrict network exposure of the affected system or apply the vendor's mitigation on your normal schedule.
EPSS PROB
<0.1%
EPSS %ILE
below the 1st
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (4.3): severity, escalated by confirmed exploitation. This CVE's 4.3 is its impact severity (EG Severity), not escalated.

EG Severity
4.3 MEDIUMCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.NVD CVSS v3 · CVSS v3.0 or v3.1
EG Likelihood
<0.1% within 30 daysSource: FIRST EPSS. FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at every mission impact level.CISA BOD 26-04: 60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.No released fix is confirmed on this page, but CISA's timeline does not wait for a fix's release: it starts when an agency identifies the flaw on an asset and updates the CDM Agency and Federal Dashboard, and the directive counts patching, decommissioning the system or another action as remediation. Until a fixed release is applied, mitigate as this page's verdict says. In the directive's words, “Fix on system upgrade” means that, “unless conditions change”, the vulnerability “should be remediated the next time the vulnerable asset receives a scheduled major upgrade or rebuild”: its timelines are “dynamic as facts change”, and a KEV listing shortens them.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at every mission impact level.

No fix is confirmed yet. Check the vendor's advisory for a fixed release; until one is applied, restrict network exposure of the affected system or apply the vendor's mitigation on your normal schedule.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

No released fix is confirmed on this page, but CISA's timeline does not wait for a fix's release: it starts when an agency identifies the flaw on an asset and updates the CDM Agency and Federal Dashboard, and the directive counts patching, decommissioning the system or another action as remediation. Until a fixed release is applied, mitigate as this page's verdict says. In the directive's words, “Fix on system upgrade” means that, “unless conditions change”, the vulnerability “should be remediated the next time the vulnerable asset receives a scheduled major upgrade or rebuild”: its timelines are “dynamic as facts change”, and a KEV listing shortens them.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

September 27, 2026

Last Modified

October 27, 2026

Advisory Details (1)

Auto-updated Sep 27, 2026
No fix on record yet.
Web page

Event Gallery - A gallery component for Joomla!

https://www.svenbluege.de/

Vendor Advisories for CVE-2026-100749(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 55× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

  1. 2026-10-31 16:31 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  2. 2026-10-30 16:33 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  3. 2026-10-29 16:32 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  4. 2026-10-28 16:31 UTCEPSS rescoreEPSS <0.1% · below the 1st percentile
  5. 2026-10-27 16:31 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  6. 2026-10-27 15:28 UTCEG score recompute▼ 0.80
  7. 2026-10-27 15:28 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  8. 2026-10-27 15:25 UTCNVD updateCVSS v3 → 4.3
  9. 2026-10-26 16:30 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  10. 2026-10-25 16:32 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  11. 2026-10-25 15:58 UTCEG score recompute
  12. 2026-10-24 16:31 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  13. 2026-10-23 16:31 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  14. 2026-10-23 09:53 UTCEG score recompute
  15. 2026-10-23 09:52 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  16. 2026-10-22 16:33 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  17. 2026-10-21 16:31 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  18. 2026-10-20 16:31 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  19. 2026-10-19 16:31 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  20. 2026-10-18 16:31 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  21. 2026-10-18 05:11 UTCEG score recompute
  22. 2026-10-17 16:33 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  23. 2026-10-16 16:40 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  24. 2026-10-15 16:31 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  25. 2026-10-14 16:31 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
Show 54 more
  1. 2026-10-13 16:33 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  2. 2026-10-12 16:41 UTCEG score recompute
  3. 2026-10-12 16:33 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  4. 2026-10-11 20:16 UTCEG score recompute
  5. 2026-10-11 16:57 UTCEG score recompute
  6. 2026-10-11 16:57 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  7. 2026-10-11 15:02 UTCEG score recompute
  8. 2026-10-11 13:47 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  9. 2026-10-10 19:59 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  10. 2026-10-10 17:01 UTCEG score recompute
  11. 2026-10-10 17:00 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  12. 2026-10-09 20:06 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  13. 2026-10-09 16:50 UTCEG score recompute
  14. 2026-10-09 16:50 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  15. 2026-10-08 17:11 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  16. 2026-10-08 16:52 UTCEG score recompute
  17. 2026-10-08 16:52 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  18. 2026-10-07 23:47 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  19. 2026-10-07 16:30 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  20. 2026-10-06 15:39 UTCEG score recompute
  21. 2026-10-06 15:39 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  22. 2026-10-06 15:17 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  23. 2026-10-05 17:42 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  24. 2026-10-05 15:15 UTCEG score recompute
  25. 2026-10-05 15:14 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  26. 2026-10-04 23:21 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  27. 2026-10-04 15:18 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  28. 2026-10-03 15:20 UTCEG score recompute
  29. 2026-10-03 15:20 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  30. 2026-10-03 14:25 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  31. 2026-10-02 15:22 UTCEG score recompute
  32. 2026-10-02 15:22 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  33. 2026-10-01 19:49 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  34. 2026-10-01 15:25 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  35. 2026-09-30 15:30 UTCEG score recompute
  36. 2026-09-30 15:30 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  37. 2026-09-30 15:02 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  38. 2026-09-30 14:53 UTCEG score recompute
  39. 2026-09-30 14:53 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  40. 2026-09-30 11:19 UTCEG score recompute
  41. 2026-09-30 11:19 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  42. 2026-09-30 11:03 UTCEG score recompute
  43. 2026-09-30 11:03 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  44. 2026-09-29 22:13 UTCEG score recompute
  45. 2026-09-29 22:12 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  46. 2026-09-29 15:20 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  47. 2026-09-29 12:19 UTCEG score recompute
  48. 2026-09-29 12:19 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  49. 2026-09-28 13:50 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  50. 2026-09-28 12:25 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  51. 2026-09-27 12:31 UTCEG score recompute
  52. 2026-09-27 12:31 UTCGHSA enrichmentGHSA-2hrp-jfc8-328g
  53. 2026-09-27 11:47 UTCEG score recomputeFirst assessed: 5.1 MEDIUM
  54. 2026-09-27 11:47 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-100749?
CVE-2026-100749 is a medium-severity vulnerability; its CVE record was published on September 27, 2026. Joomla Extension - svenbluege.de - CSRF in backend cleanup actions in Event Gallery extension < 6.5.0 - Only orphaned file entries and shopping carts that are older than 30 days will be deleted.
When was the CVE record for CVE-2026-100749 published?
The CVE record for CVE-2026-100749 was published on September 27, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of October 27, 2026; the record at its source may have been updated since.
Is CVE-2026-100749 actively exploited?
CVE-2026-100749 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a <0.1% probability of exploitation in the next 30 days (below the 1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-100749?
CVE-2026-100749 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-100749?
No fix for CVE-2026-100749 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The CVE record's description, written by its CNA (Joomla! Project), states the affected versions: "Joomla Extension - svenbluege.de - CSRF in backend cleanup actions in Event Gallery extension < 6.5.0 - Only orphaned file entries and shopping carts that are older than 30 days will be deleted." No release containing a fix is confirmed on record. The vendor advisories EchelonGraph has for CVE-2026-100749 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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