Permissions, Privileges, and Access Controls in MediaWiki - CVE-2019-19709
Published: December 28, 2019
Vulnerability identifier: #VU23832
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-19709
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MediaWiki.org
Affected software:
MediaWiki
MediaWiki
Detailed vulnerability description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and using redirect=1 in the action API when editing that page.
How to mitigate CVE-2019-19709
Install updates from vendor's website.