The mm_forum extension through 1.9.5 for TYPO3 allows XSS that can be exploited via CSRF.
https://typo3.org/security/advisory/typo3-ext-sa-2020-013
https://typo3.org/help/security-advisories
Source: Mitre, NVD
Published: 2020-07-07
Updated: 2026-06-17
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 5.4
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS: 0.00113
