CVE-2026-34598

YesWiki has Persistant Blind XSS at "/?BazaR&vue=consulter"

State: Published
Severity: 7.1 High
Published: Apr 2, 2026
Updated: Apr 2, 2026
Reserved: Mar 30, 2026

Description

YesWiki is a wiki system written in PHP. Prior to version 4.6.0, a stored and blind XSS vulnerability exists in the form title field. A malicious attacker can inject JavaScript without any authentication via a form title that is saved in the backend database. When any user visits that injected page, the JavaScript payload gets executed. This issue has been patched in version 4.6.0.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-87 Improper Neutralization of Alternate XSS Syntax

Affected Products

Product	Versions
yeswikiYesWiki	< 4.6.0Affected

References

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