CVE-2025-55998

HIGH 8.1CVE-2025-55998 · Published 08/09/2025 · updated 07/11/2026

In short

CVE-2025-55998 is a HIGH (CVSS 8.1) vulnerability affecting smart search and filter (mezereon).
Chance of exploitation in the next 30 days (EPSS): 0.35%, higher than 28.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
smart search and filter mezereon	`= 1.0`	No fix yet

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

References

Ocmenog/CVE-2025-55998 · Third Party Advisory
mezereon.com/shopify · Product

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free