CVE-2015-2941: mediawiki Cross-site Scripting
Vulnerability summary
CVE-2015-2941 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in mediawiki. EPSS estimates a 2.10% chance of exploitation in the next 30 days, higher than 81.4% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 13-04-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Cross-site scripting (XSS) vulnerability in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to inject arbitrary web script or HTML via an invalid parameter in a wddx format request to api.php, which is not properly handled in an error message, related to unsafe calls to wddx_serialize_value.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.10%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.10% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (phabricator.wikimedia.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- mediawiki< 1:1.19.20+dfsg-2.3
Mediawiki1 product
- mediawiki≤ 1.19.23 | 1.20 | 1.20.1 | 1.20.2 | 1.20.3 | 1.20.4 | 1.20.5 | 1.20.6 | 1.20.7 | 1.20.8 | 1.21 | 1.21.1 | 1.21.2 | 1.21.3 | 1.21.4 | 1.21.5 | 1.21.6 | 1.21.7 | 1.21.8 | 1.21.9 | 1.21.10 | 1.21.11 | 1.22.0 | 1.22.1 | 1.22.2 | 1.22.3 | 1.22.4 | 1.22.5 | 1.22.6 | 1.22.7 | 1.22.8 | 1.22.9 | 1.22.10 | 1.22.11 | 1.22.12 | 1.22.13 | 1.22.14 | 1.22.15 | 1.23.0 | 1.23.1 | 1.23.2 | 1.23.3 | 1.23.4 | 1.23.5 | 1.23.6 | 1.23.7 | 1.23.8 | 1.24.0 | 1.24.1
Ubuntu1 product
- mediawiki< 1:1.27.4-3
3 vendors · 3 products
References
9 links- lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.htmlMailing ListX Refsource MLISTPatchVendor AdvisoryREPORT