XSS in Guardian Language-system
CVE-2026-34097
Guardian language-system fails to sanitize the id GET parameter before inserting it into multiple HTML form action attributes in text_file.php (lines 94, 101, 323, 403, 826, 852). An authenticated attacker can craft a URL that injects scri…
Vulnerability class: XSS (Cross-Site Scripting)
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.
Affected products
- Guardian Language-system — versions 0
Weakness classification (CWE)
References
- disclosure@vulncheck.com (technical-description, exploit)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-34097?
- CVE-2026-34097 is a medium-severity vulnerability in Guardian Language-system, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2026-07-01.
- How severe is CVE-2026-34097?
- Medium severity. CVSS v3 base score is 4.6 out of 10.