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YesWiki 4.2.0 before 4.7.0 Stored XSS via Comment Raw-HTML Syntax

Exact source revision recorded 25 Oct 2026 15:17:04 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-116206

Published

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.

Source published
25 Oct 2026 13:20:36 UTC
Source modified
25 Oct 2026 13:20:36 UTC
Observed here
25 Oct 2026 15:17:04 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: cve-program · CVE Program Terms of Use. Source text is retained; field grouping and change labels are provided by ChangeIntel.

CVSS 4.0 · 5.3 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

CVSS 3.1 · 6.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 26 Oct 09:15 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current