A vulnerability in the JCE editor extension for Joomla allows the creation of new editor profiles for unauthenticated users, ultimately resulting in PHP code upload and execution.
CVE-2026-48907
Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-06-16), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.
- Actively exploited in the wild (CISA-KEV)
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(high)
- EG Risk
- 99(Act)EG Risk 99/100SSVC: Act
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity98% × 45%Exploitation100% × 40%Automatability100% × 15%Action: Fix now — active exploitation, automatable, high impact. - EPSS PROB
- 56%
- EPSS %ILE
- 99%
- KEV
- ⚠ Exploited
Published
June 5, 2026
Last Modified
July 23, 2026
Advisory Details (3)
Auto-updated Jul 25, 2026JCE security update, and a free patch for older sites
https://www.joomlacontenteditor.net/news/jce-security-update-and-a-free-patch-for-older-sitesKnown Exploited Vulnerabilities Catalog | CISA
Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48907Vendor Advisories for CVE-2026-48907(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 43× in last 7d / 192× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. 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. Most recent first.
Showing the most recent 100 of 377 total refreshes for this CVE.
- 2026-07-31 08:11 UTCGHSA enrichment
- 2026-07-31 03:49 UTCGHSA enrichment
- 2026-07-30 23:27 UTCGHSA enrichment
- 2026-07-30 19:06 UTCEG score recompute
- 2026-07-30 19:06 UTCGHSA enrichment
- 2026-07-30 16:28 UTCEPSS rescore
- 2026-07-30 14:42 UTCGHSA enrichment
- 2026-07-30 10:20 UTCEG score recompute
- 2026-07-30 10:20 UTCGHSA enrichment
- 2026-07-30 05:59 UTCGHSA enrichment
- 2026-07-30 01:37 UTCEG score recompute
- 2026-07-30 01:37 UTCGHSA enrichment
- 2026-07-30 01:30 UTCEPSS rescore
- 2026-07-29 21:15 UTCGHSA enrichment
- 2026-07-29 19:27 UTCCISA KEV update
- 2026-07-29 16:54 UTCGHSA enrichment
- 2026-07-29 12:32 UTCGHSA enrichment
- 2026-07-29 08:10 UTCGHSA enrichment
- 2026-07-29 03:48 UTCGHSA enrichment
- 2026-07-28 23:26 UTCGHSA enrichment
- 2026-07-28 19:02 UTCGHSA enrichment
- 2026-07-28 14:41 UTCGHSA enrichment
- 2026-07-28 10:19 UTCGHSA enrichment
- 2026-07-28 05:57 UTCGHSA enrichment
- 2026-07-28 01:35 UTCGHSA enrichment
Show 75 moreShow fewer
- 2026-07-27 21:14 UTCGHSA enrichment
- 2026-07-27 19:24 UTCCISA KEV update
- 2026-07-27 17:17 UTCCISA KEV update
- 2026-07-27 16:50 UTCGHSA enrichment
- 2026-07-27 12:29 UTCGHSA enrichment
- 2026-07-27 08:08 UTCGHSA enrichment
- 2026-07-27 03:46 UTCGHSA enrichment
- 2026-07-26 23:24 UTCGHSA enrichment
- 2026-07-26 19:02 UTCEG score recompute
- 2026-07-26 19:02 UTCGHSA enrichment
- 2026-07-26 14:54 UTCEPSS rescore
- 2026-07-26 14:41 UTCEG score recompute
- 2026-07-26 14:41 UTCGHSA enrichment
- 2026-07-26 10:19 UTCGHSA enrichment
- 2026-07-26 05:56 UTCGHSA enrichment
- 2026-07-26 01:34 UTCEG score recompute▼ 0.20
- 2026-07-26 01:34 UTCGHSA enrichment
- 2026-07-24 14:18 UTCEPSS rescore
- 2026-07-23 14:18 UTCEPSS rescore
- 2026-07-23 07:50 UTCNVD updateCVSS v3 → 9.8
- 2026-07-23 03:18 UTCEG score recompute
- 2026-07-22 22:33 UTCEG score recompute
- 2026-07-22 22:32 UTCGHSA enrichment
- 2026-07-22 19:40 UTCCISA KEV update
- 2026-07-22 18:10 UTCEG score recompute
- 2026-07-22 18:10 UTCGHSA enrichment
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-22 13:47 UTCGHSA enrichment
- 2026-07-22 09:25 UTCGHSA enrichment
- 2026-07-22 05:04 UTCGHSA enrichment
- 2026-07-22 00:41 UTCGHSA enrichment
- 2026-07-21 20:19 UTCGHSA enrichment
- 2026-07-21 15:57 UTCEG score recompute
- 2026-07-21 15:57 UTCGHSA enrichment
- 2026-07-21 15:25 UTCEPSS rescore
- 2026-07-21 14:37 UTCCISA KEV update
- 2026-07-21 11:35 UTCGHSA enrichment
- 2026-07-21 07:11 UTCGHSA enrichment
- 2026-07-21 02:49 UTCGHSA enrichment
- 2026-07-20 22:27 UTCGHSA enrichment
- 2026-07-20 18:06 UTCEG score recompute
- 2026-07-20 18:06 UTCGHSA enrichment
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-20 13:44 UTCGHSA enrichment
- 2026-07-20 09:22 UTCGHSA enrichment
- 2026-07-20 05:00 UTCGHSA enrichment
- 2026-07-19 20:17 UTCGHSA enrichment
- 2026-07-19 15:54 UTCGHSA enrichment
- 2026-07-19 11:32 UTCGHSA enrichment
- 2026-07-19 07:11 UTCGHSA enrichment
- 2026-07-19 02:50 UTCEG score recompute
- 2026-07-19 02:50 UTCGHSA enrichment
- 2026-07-19 02:29 UTCEPSS rescore
- 2026-07-18 22:28 UTCGHSA enrichment
- 2026-07-18 18:07 UTCGHSA enrichment
- 2026-07-18 13:44 UTCEG score recompute
- 2026-07-18 13:44 UTCGHSA enrichment
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-18 09:22 UTCGHSA enrichment
- 2026-07-18 05:00 UTCGHSA enrichment
- 2026-07-18 00:39 UTCGHSA enrichment
- 2026-07-17 20:18 UTCGHSA enrichment
- 2026-07-17 15:56 UTCGHSA enrichment
- 2026-07-17 11:35 UTCGHSA enrichment
- 2026-07-17 07:13 UTCEG score recompute
- 2026-07-17 07:13 UTCGHSA enrichment
- 2026-07-17 02:51 UTCGHSA enrichment
- 2026-07-16 22:29 UTCGHSA enrichment
- 2026-07-16 18:07 UTCGHSA enrichment
- 2026-07-16 17:04 UTCCISA KEV update
- 2026-07-16 17:03 UTCEPSS rescore
- 2026-07-16 13:45 UTCGHSA enrichment
- 2026-07-16 09:24 UTCGHSA enrichment
- 2026-07-16 05:02 UTCGHSA enrichment
- 2026-07-16 00:41 UTCGHSA enrichment
Publicly available exploits
(7 references)Working exploit code is in the public domain (1 Metasploit module) (5 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCK3ysTr0K3R/CVE-2026-48907First seen Jun 29, 2026
CVE-2026-48907 – Joomla JCE Unauthenticated Remote Code Execution (RCE)
Open source ↗ - GitHub PoCgh1mau/masta-cve-2026-48907First seen Jun 27, 2026
cve-2026-48907 scanner
Open source ↗ - GitHub PoC0xgh057r3c0n/CVE-2026-48907First seen Jun 22, 2026
CVE-2025-48907 - Unauthenticated RCE exploit for Joomla JCE < 2.9.99.5
Open source ↗ - GitHub PoC0xBlackash/CVE-2026-48907First seen Jun 12, 2026
CVE-2026-48907
Open source ↗ - GitHub PoCywh-jfellus/CVE-2026-48907First seen Jun 11, 2026
PoC for CVE-2026-48907 - Joomla! JCE extension < 2.9.99.5 unauthenticated RCE
Open source ↗ - Metasploitexploit/multi/http/joomla_com_jce_unauth_file_upload_rce✓ verifiedFirst seen Jun 5, 2026
Joomla Content Editor Unauthenticated File Upload RCE
Open source ↗ - Nucleihttp/cves/2026/CVE-2026-48907.yamlFirst seen Jan 1, 2026
Joomla! JCE extension < 2.9.99.5 unauthenticated RCE
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-284
Frequently asked(6)
What is CVE-2026-48907?
When was CVE-2026-48907 disclosed?
Is CVE-2026-48907 actively exploited?
What is the CVSS score of CVE-2026-48907?
Which products are affected by CVE-2026-48907?
How do I remediate CVE-2026-48907?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-48907
Is Your Infrastructure Affected by CVE-2026-48907?
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