CVE-2026-41143: YesWiki vulnerable to authenticated SQL Injection via id_fiche in EntryManager::formatDataBeforeSave()

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-07 · updated 2026-06-17
Weakness: CWE-89

Description

YesWiki is a wiki system written in PHP. Prior to version 4.6.1, YesWiki bazar module contains a SQL injection vulnerability in tools/bazar/services/EntryManager.php at line 704. The $data['id_fiche'] value (sourced from $_POST['id_fiche']) is concatenated directly into a raw SQL query without any sanitization or parameterization. This issue has been patched in version 4.6.1.

Affected products

yeswiki: before 4.6.1

References

https://github.com/YesWiki/yeswiki/releases/tag/v4.6.1
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-f58v-p6j9-24c2
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-f58v-p6j9-24c2

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