Disclosure summary
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.
Source-reported weakness categories
CWE-79, CWE-87
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-34598
Open original source · Updated Oct 06, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| yeswiki | yeswiki | * {"versionEndExcluding":"4.6.0"} |
Original records & references
- NIST NVD record
- CVE Program record
- github.com — Product, Release Notes
- github.com — Exploit, Vendor Advisory
PUBLISHED 2026-04-02T14:16:31-04:00
MODIFIED 2026-10-06T18:10:00-04:00
INGESTED 2026-10-08T12:40:21-04:00