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VULNERABILITIES

CVE-2026-34598 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/YesWiki/yeswiki/releases/tag/v4.6.0 [email protected]ProductRelease Notes
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-37fq-47qj-6j5j [email protected]ExploitVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')[email protected]
CWE-87Improper Neutralization of Alternate XSS Syntax[email protected]

Affected Products

ProductVersions
yeswiki yeswiki
< 4.6.0

CPE

  • cpe:2.3:a:yeswiki:yeswiki:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-34598
NVD Published Date:
Apr 2, 2026
NVD Last Modified:
Jul 24, 2026
Source:
[email protected]
CVE-2026-34598 Details - Not Deferred