Cross-site scripting in MediaWiki - CVE-2024-25107
Published: May 7, 2024
Vulnerability identifier: #VU89211
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-25107
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MediaWiki.org
Affected software:
MediaWiki
MediaWiki
Detailed vulnerability description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the WikiDiscover extension on Special:WikiDiscover. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
How to mitigate CVE-2024-25107
Install updates from vendor's website.
Sources
- https://github.com/miraheze/WikiDiscover/security/advisories/GHSA-cfcf-94jv-455f
- https://github.com/miraheze/WikiDiscover/commit/267e763a0d7460f001693c42f67717a0fc3fd6bb
- https://issue-tracker.miraheze.org/T11814
- https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/thread/ISK76VXYSIOKYLLU2DTQUXIJV6MMWGOJ/