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

Severity: high (CVSS 7.1 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-27 · updated 2026-10-08
Weakness: CWE-79

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.

Affected products

Perx Technologies Customer Engagement & Loyalty Platform: before 4.617.4 — fixed in 4.617.4

How to fix

Upgrade to a fixed version: Perx Technologies Customer Engagement & Loyalty Platform 4.617.4. Check the vendor advisory for mitigations.

References

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

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