Synced 30 Sept 2026 23:45 UTC Account
← All products

CVE-2015-2941

MEDIUM severity · CVSS 4.3 · Cross-site scripting (XSS)
4.3CVSS MEDIUM

Summary

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.

Impact & exploitability

Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)2%

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html ↗