๐Ÿ” CVE Alert

CVE-2026-104465

MEDIUM 6.1

YesWiki before 4.6.7 Reflected XSS via field Parameter in mail Handler

CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th

YesWiki before 4.6.7 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via the field parameter of the mail handler. Attackers can craft links whose field value breaks out of the ajax-mail-form action attribute to execute JavaScript in victims' browsers.

CWE CWE-79
Vendor yeswiki
Product yeswiki
Published Oct 2, 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 < 4.6.7

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/YesWiki/yeswiki/security/advisories/GHSA-2fc6-rvp3-fgfj vulncheck.com: https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-reflected-xss-via-field-parameter-in-mail-handler

Credits

๐Ÿ” 0xcan1337