What is CVE-2025-5921?

CVE-2025-5921 is a medium-severity vulnerability in Brainstormforce Sureforms, classified under Cross-site Scripting. CVSS score: 5.8/10. Published 2025-08-01.

How severe is CVE-2025-5921?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Is CVE-2025-5921 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Brainstormforce Sureforms

CVE-2025-5921

The SureForms WordPress plugin before 1.7.2 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against both authenticated and unauthenticated use…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (6.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L.

Affected products

Brainstormforce Sureforms
Unknown Sureforms — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

contact@wpscan.com (technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2025-5921?: CVE-2025-5921 is a medium-severity vulnerability in Brainstormforce Sureforms, classified under Cross-site Scripting. CVSS score: 5.8/10. Published 2025-08-01.
How severe is CVE-2025-5921?: Medium severity. CVSS v3 base score is 5.8 out of 10.
Is CVE-2025-5921 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.