๐Ÿ” CVE Alert

CVE-2026-116203

MEDIUM 6.1

YesWiki before 4.7.0 Stored XSS via filtertags Action Parameters

CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor yeswiki
Product yeswiki
Published Oct 25, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

YesWiki / yeswiki
0 < 4.7.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/YesWiki/yeswiki/security/advisories/GHSA-f53x-3gqx-xq76 vulncheck.com: https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-stored-xss-via-filtertags-action-parameters

Credits

๐Ÿ” overtimepog