XSS in Cisa Software Acquisition Guide

CVE-2025-67634

The CISA Software Acquisition Guide Supplier Response Web Tool before 2025-12-11 was vulnerable to cross-site scripting via text fields. If an attacker could convince a user to import a specially-crafted JSON file, the Tool would load JavaScript from the file into the page. The JavaScript would execute in the context of the user's browser when the user submits the page (clicks 'Next').

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-67634?
CVE-2025-67634 is a medium-severity vulnerability in Cisa Software Acquisition Guide, classified under Cross-site Scripting. CVSS score: 4.4/10. Published 2025-12-12.
How severe is CVE-2025-67634?
Medium severity. CVSS v3 base score is 4.4 out of 10.