CVE-2026-13706 — HIGH (8.8)

Q: What is CVE-2026-13706?

CVE-2026-13706 is a vulnerability with a CVSS score of 8.8 (HIGH). Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This vulnerability is associated with program files includes/UrlShortenerUtils.Php.

Q: How severe is CVE-2026-13706?

CVE-2026-13706 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-13706?

Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.

Vulnerability Description

Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This vulnerability is associated with program files includes/UrlShortenerUtils.Php.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mediawiki	Mediawiki	>= 1.43.0, < 1.43.9

Related Weaknesses (CWE)

CWE-20

References

https://phabricator.wikimedia.org/T418533Permissions Required

FAQ

What is CVE-2026-13706?

CVE-2026-13706 is a vulnerability with a CVSS score of 8.8 (HIGH). Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This vulnerability is associated with program files includes/UrlShortenerUtils.Php.

How severe is CVE-2026-13706?

CVE-2026-13706 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-13706?

Check the references section above for vendor advisories and patch information. Affected products include: Mediawiki Mediawiki.