CVE-2025-55998

HIGH

Smart Search & Filter Shopify/BigCommerce - XSS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-55998. PoCs published by Ocmenog.

AI-analyzed exploit summary This repository contains a detailed writeup for CVE-2025-55998, a reflected XSS vulnerability in Mezereon's Smart Search and Filter app for Shopify and BigCommerce. The writeup includes proof-of-concept examples demonstrating how malicious payloads can be injected via URL parameters.

Description

A cross-site scripting (XSS) vulnerability in Smart Search & Filter Shopify and BigCommerce apps allows a remote attacker to execute arbitrary JavaScript in the web browser of a user, by including a malicious payload into several filter parameter

Exploits (1)

nomisec WRITEUP
by Ocmenog · poc
https://github.com/Ocmenog/CVE-2025-55998

This repository contains a detailed writeup for CVE-2025-55998, a reflected XSS vulnerability in Mezereon's Smart Search and Filter app for Shopify and BigCommerce. The writeup includes proof-of-concept examples demonstrating how malicious payloads can be injected via URL parameters.

Classification
Writeup 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Mezereon Smart Search and Filter app 1.0
No auth needed
Prerequisites: User interaction (clicking a crafted link)
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 8.1
EPSS 0.0033
EPSS Percentile 24.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
mezereon/smart_search_and_filter 1.0
Published Sep 08, 2025
Tracked Since Feb 18, 2026