CVE-2026-14449

POST-based reflected XSS via the thanks parameter in form components

Published Jul 2, 2026 CVSS 4.0 · 6.4 Medium EPSS < 1% KEV · Not listed
Description
u5CMS through v12.8.8 is vulnerable to reflected XSS via the ‘thanks’ parameter in multiple form components

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared U5cms
U5cms u5cms
Vendors & Products U5cms
U5cms u5cms
Type Values Removed Values Added
Weaknesses CWE-79
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description u5CMS through v12.8.8 is vulnerable to reflected XSS via the ‘thanks’ parameter in multiple form components
Title POST-based reflected XSS via the thanks parameter in form components
References
Metrics cvssV4_0

{'score': 6.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NCSC.ch
Published
Updated
Jul 2, 2026, 1:14 PM
Reserved
Jul 2, 2026, 7:19 AM
Status
Deferred
Published
Jul 2, 2026, 12:16 PM
Modified
Jul 2, 2026, 5:42 PM