CVE-2023-22912

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. CheckUser TokenManager insecurely uses AES-CTR encryption with a repeated (aka re-used) nonce, allowing an adversary to decrypt.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-330

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://phabricator.wikimedia.org/T315123Exploit, Issue Tracking, Patch, Vendor Advisory
https://phabricator.wikimedia.org/T315123Exploit, Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Jan 20, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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