YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability in the filtertags action, which echoes attacker-controlled token values without output encoding. Anonymous attackers can inject markup via action-attribute parameters that bypasses the allow_raw_html gate, executing JavaScript for every page viewer.

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History

Sun, 25 Oct 2026 13:45:00 +0000

Type Values Removed Values Added
Description YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability in the filtertags action, which echoes attacker-controlled token values without output encoding. Anonymous attackers can inject markup via action-attribute parameters that bypasses the allow_raw_html gate, executing JavaScript for every page viewer.
Title YesWiki before 4.7.0 Stored XSS via filtertags Action Parameters
First Time appeared Yeswiki
Yeswiki yeswiki
Weaknesses CWE-79
CPEs cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*
Vendors & Products Yeswiki
Yeswiki yeswiki
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-25T13:20:34.532Z

Reserved: 2026-10-25T12:27:58.644Z

Link: CVE-2026-116203

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-25T14:17:01.187

Modified: 2026-10-25T14:17:01.303

Link: CVE-2026-116203

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-25T17:45:15Z

Weaknesses