#VU89215 Cross-site scripting in MediaWiki - CVE-2024-25109
Vulnerability identifier: #VU89215
Vulnerability risk: Low
CVSSv4.0: 1.2 [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-2024-25109
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
MediaWiki
Web applications /
CMS
Vendor: MediaWiki.org
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 extensions, settings, permissions and namespaces subpages of Special:ManageWiki. 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
MediaWiki: 1.39.0 rc.0 - 1.39.6, 1.40.0 rc.0 - 1.41.0
External links
https://github.com/miraheze/ManageWiki/security/advisories/GHSA-4jr2-jhfm-2r84
https://github.com/miraheze/ManageWiki/commit/2ef0f50880d7695ca2874dc8dd515b2b9bbb02e5
https://github.com/miraheze/ManageWiki/commit/6942e8b2c01dc33c2c41a471f91ef3f6ca726073
https://github.com/miraheze/ManageWiki/commit/886cc6b94587f1c7387caa26ca9fe612e01836a0
https://issue-tracker.miraheze.org/T11812
https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/thread/ISK76VXYSIOKYLLU2DTQUXIJV6MMWGOJ/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
