CVE-2026-116206

medium

Description

YesWiki from 4.2.0 before 4.7.0 contains a stored cross-site scripting vulnerability that allows authenticated users to inject script into comment bodies using the wakka raw-HTML syntax. Attackers can post comments via the /api/comments endpoint that render unescaped through the Twig raw filter, executing JavaScript in administrators' and visitors' sessions.

References

https://www.vulncheck.com/advisories/yeswiki-4.2.0-before-4.7.0-stored-xss-via-comment-raw-html-syntax

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wq96-vjjh-hfc6

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-109464

Details

Source: Mitre, NVD

Published: 2026-10-25

Updated: 2026-10-25

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.4

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

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Severity: Medium