CVE-2019-19709

Public Exploit

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.32%
Vendor Advisory debian.org Vendor Advisory wikimedia.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T239466 vendor advisory exploit
https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8 vendor advisory exploit
https://www.debian.org/security/2019/dsa-4592 third party advisory vendor advisory
https://seclists.org/bugtraq/2019/Dec/48 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2019-19709?
CVE-2019-19709 has been scored as a medium severity vulnerability.
How to fix CVE-2019-19709?
To fix CVE-2019-19709, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-19709 being actively exploited in the wild?
It is possible that CVE-2019-19709 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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