Improper Neutralization of Special Elements Used in a Template Engine Affecting yeswiki/yeswiki package, versions <4.6.6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-PHP-YESWIKIYESWIKI-17913412
- published9 Jul 2026
- disclosed9 Jul 2026
- creditUnknown
Introduced: 9 Jul 2026
CVE-2026-52762 (opens in a new tab)How to fix?
Upgrade yeswiki/yeswiki to version 4.6.6 or higher.
Overview
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements Used in a Template Engine in the renderFromStringNoEscape process. An attacker can execute arbitrary code on the server by injecting malicious Twig expressions into the semantic template field, which are then executed when a public semantic endpoint is accessed.