Information disclosure in MediaWiki - CVE-2025-6593
Published: August 7, 2025
Vulnerability identifier: #VU113748
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N]
CVE-ID: CVE-2025-6593
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the application does not verify the email address when sending the "{{SITENAME}} registered email address has been changed" email message, revealing the IP address of the user. A remote attacker can gain access to sensitive information.
Affected software
MediaWiki
Debian Linux
mediawiki (Debian package)
Debian Linux
mediawiki (Debian package)
How to mitigate CVE-2025-6593
Install updates from vendor's website.
MediaWiki - addressed in versions 1.39.13, 1.42.7, 1.43.2
mediawiki (Debian package) - update to 1:1.39.13-1~deb12u1
mediawiki (Debian package) - update to 1:1.39.13-1~deb12u1