XSS in Mezereon Smart_search_and_filter

CVE-2025-55998

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 pa…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (24.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-55998?
CVE-2025-55998 is a high-severity vulnerability in Mezereon Smart_search_and_filter, classified under Cross-site Scripting. CVSS score: 8.1/10. Published 2025-09-08.
How severe is CVE-2025-55998?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2025-55998 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.