Thelia before 3.1.1 contains a stored cross-site scripting vulnerability that allows authenticated back-office administrators with store update permission to inject scripts by uploading unsanitized SVG logo_file or banner_file images. Attackers can upload an SVG with an onload payload served from /admin/store-media/logo or the public cache/images/store/ directory to execute scripts against visitors and higher-privileged administrators.
History

Tue, 03 Nov 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Thelia
Thelia thelia
Thelia thelia Back-office Default Twig Template
Vendors & Products Thelia
Thelia thelia
Thelia thelia Back-office Default Twig Template

Mon, 02 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Sun, 01 Nov 2026 01:00:00 +0000

Type Values Removed Values Added
Description Thelia before 3.1.1 contains a stored cross-site scripting vulnerability that allows authenticated back-office administrators with store update permission to inject scripts by uploading unsanitized SVG logo_file or banner_file images. Attackers can upload an SVG with an onload payload served from /admin/store-media/logo or the public cache/images/store/ directory to execute scripts against visitors and higher-privileged administrators.
Title Thelia before 3.1.1 Stored XSS via SVG Store Logo and Banner Uploads
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-11-01T00:57:12.828Z

Updated: 2026-11-02T21:04:42.244Z

Reserved: 2026-10-31T22:05:59.343Z

Link: CVE-2026-120248

cve-icon Vulnrichment

Updated: 2026-11-02T17:04:08.219Z

cve-icon NVD

Status : Deferred

Published: 2026-11-01T01:17:18.493

Modified: 2026-11-02T19:35:33.347

Link: CVE-2026-120248

cve-icon Redhat

No data.