Improper Neutralization of Special Elements Used in a Template Engine Affecting solspace/craft-freeform package, versions >=5.0.0, <5.10.14
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.
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Test your applications- Snyk IDSNYK-PHP-SOLSPACECRAFTFREEFORM-20186874
- published28 Sept 2026
- disclosed23 Sept 2026
- creditUnknown
Introduced: 23 Sep 2026
NewCVE-2026-73858 (opens in a new tab)How to fix?
Upgrade solspace/craft-freeform to version 5.10.14 or higher.
Overview
solspace/craft-freeform is a flexible and user-friendly form building plugin!
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements Used in a Template Engine via the rendering of submitted form field values in an isolated Twig context. An attacker can obtain limited server or environment information, such as PHP version, operating system, or absolute filesystem paths, by submitting specially crafted Twig expressions through public forms.