CVE-2026-24037: Horilla HRM has XSS Bypass through Project Name

Severity: medium (CVSS 5.4 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: yes
Published: 2026-01-22 · updated 2026-06-17
Weakness: CWE-79

Description

Horilla is a free and open source Human Resource Management System (HRMS). In version 1.4.0, the has_xss() function attempts to block XSS by matching input against a set of regex patterns. However, the regexes are incomplete and context-agnostic, making them easy to bypass. Attackers are able to redirect users to malicious domains, run external JavaScript, and steal CSRF tokens that can be used to craft CSRF attacks against admins. This issue has been fixed in version 1.5.0.

Affected products

horilla-opensource horilla: 1.4.0

References

https://github.com/horilla-opensource/horilla/releases/tag/1.5.0
https://github.com/horilla-opensource/horilla/security/advisories/GHSA-rqw5-fjm4-rgvm

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