The Scribunto extension for MediaWiki allows remote attackers to obtain the rollback token and possibly other sensitive information via a crafted module, related to unstripping special page HTML.
Conclusion & alert: CVE-2014-9481 is rated Moderate Risk (48/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.34%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.57% | 1.34% | +0.77% |
| 2 | 2025-12-28 | 0.50% | 0.57% | +0.07% |
| 3 | 2025-12-27 | — | 0.50% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.9 | 3.1 | MEDIUM |
|
2.2 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2014-9481: 1 GLSA(s) (201502-04), 1 atom(s) (www-apps/mediawiki); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-9481 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mediawiki | mediawiki | < 1.19.23 | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* |
| mediawiki | mediawiki | >= 1.19.24, < 1.22.15 | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* |
| mediawiki | mediawiki | >= 1.23.0, < 1.23.8 | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* |
| mediawiki | mediawiki | >= 1.23.9, < 1.24.1 | cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2014/12/21/2 | Mailing List Third Party Advisory |
| http://www.openwall.com/lists/oss-security/2015/01/03/13 | Mailing List Third Party Advisory |
| https://lists.wikimedia.org/pipermail/mediawiki-announce/2014-December/000173.html | Patch Vendor Advisory |
| https://phabricator.wikimedia.org/T73167 | Vendor Advisory |