CVE-2026-34598

MEDIUM

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

Title source: cna
STIX 2.1

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.

References (2)

Core 2
Core References
X_Refsource_Misc x_refsource_misc
https://github.com/YesWiki/yeswiki/releases/tag/v4.6.0

Scores

CVSS v3 6.1
EPSS 0.0021
EPSS Percentile 11.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79 CWE-87
Status published
Products (3)
yeswiki/yeswiki < 4.6.0
yeswiki/yeswiki 0 - 4.6.0Packagist
YesWiki/yeswiki < 4.6.0
Published Apr 02, 2026
Tracked Since Apr 02, 2026