Medium severity · published Dec 11, 2019
CVE-2019-19709
MediaWiki through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the…
6.1
CVSS
1.6%
EPSS
No
On KEV
Description
MediaWiki through 1.33.1 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
ME
Mediawiki · Mediawiki
through 1.33.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-19709
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-19709
Exploit
https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8
Exploit
https://phabricator.wikimedia.org/T239466
Mailing List
https://seclists.org/bugtraq/2019/Dec/48
Third Party Advisory
https://www.debian.org/security/2019/dsa-4592
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