Medium severity6.1NVD Advisory· Published Apr 2, 2026· Updated Apr 10, 2026
CVE-2026-34598
CVE-2026-34598
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.
AI Insight
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
yeswiki/yeswikiPackagist | < 4.6.0 | 4.6.0 |
Affected products
2Patches
Vulnerability mechanics
References
4- github.com/YesWiki/yeswiki/security/advisories/GHSA-37fq-47qj-6j5jnvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-37fq-47qj-6j5jghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-34598ghsaADVISORY
- github.com/YesWiki/yeswiki/releases/tag/v4.6.0nvdProductRelease NotesWEB
News mentions
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