Cross-site scripting in MediaWiki - CVE-2015-6730
Published: September 1, 2015 / Updated: April 10, 2021
Vulnerability identifier: #VU40657
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2015-6730
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MediaWiki.org
Affected software:
MediaWiki
MediaWiki
Detailed vulnerability description
Vulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in thumb.php in MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2 when processing f parameter, which is not properly handled in an error page, related to . A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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-2015-6730
Install update from vendor's website.
Sources
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/165193.html
- http://www.openwall.com/lists/oss-security/2015/08/12/6
- http://www.openwall.com/lists/oss-security/2015/08/27/6
- http://www.securityfocus.com/bid/76334
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-August/000179.html
- https://security.gentoo.org/glsa/201510-05