CVE-2025-21612

HIGHNVD 8.68.6—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.6 under NVD CVSS v3. EPSS exploit probability: 0.5%, top 60% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
8.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.6Exploit: NoneExposed: 0

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

TabberNeue is a MediaWiki extension that allows the wiki to create tabs. Prior to 2.7.2, TabberTransclude.php doesn't escape the user-supplied page name when outputting, so an XSS payload as the page name can be used here. This vulnerability is fixed in 2.7.2.

CVSS v3
8.6
EG Score
8.6(medium)
EG Risk
55(Track*)
EG Risk 55/100SSVC: Track*

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 computed
Severity86% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
39.7%
KEV
Not listed

Published

January 6, 2025

Last Modified

April 15, 2026

References (3)

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
starcitizentools/tabber-neuev1.9.1 ... v2.7.1 (14 versions)2.7.2—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 47× 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 118 total refreshes for this CVE.

  1. 2026-07-23 02:50 UTCEG score recompute
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-22 14:07 UTCEPSS rescore
  4. 2026-07-21 15:24 UTCEPSS rescore
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  23. 2026-07-10 20:52 UTCOSV refresh
  24. 2026-07-09 19:09 UTCEPSS rescore
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  1. 2026-07-07 13:45 UTCEPSS rescore
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  23. 2026-06-22 14:25 UTCEPSS rescore
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  25. 2026-06-22 04:56 UTCOSV refresh
  26. 2026-06-21 14:56 UTCEPSS rescore
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  28. 2026-06-21 01:59 UTCEPSS rescore
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  30. 2026-06-19 19:25 UTCEPSS rescore
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  42. 2026-06-10 22:18 UTCEPSS rescore
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  44. 2026-06-08 14:16 UTCEPSS rescore
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  46. 2026-06-07 15:24 UTCEPSS rescore
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  48. 2026-06-06 13:47 UTCEPSS rescore
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  54. 2026-06-04 13:11 UTCEPSS rescore
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  56. 2026-06-04 01:09 UTCOSV refresh
  57. 2026-06-02 20:12 UTCEPSS rescore
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  59. 2026-06-01 13:51 UTCEPSS rescore
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  75. 2026-05-26 13:43 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-21612?
CVE-2025-21612 is a high vulnerability published on January 6, 2025. TabberNeue is a MediaWiki extension that allows the wiki to create tabs. Prior to 2.7.2, TabberTransclude.php doesn't escape the user-supplied page name when outputting, so an XSS payload as the page name can be used here. This vulnerability is fixed in 2.7.2.
When was CVE-2025-21612 disclosed?
CVE-2025-21612 was first published in the National Vulnerability Database on January 6, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-21612 actively exploited?
CVE-2025-21612 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-21612?
CVE-2025-21612 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2025-21612?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-21612, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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