CVE-2026-120248
Published:November 01, 2026
Updated:November 04, 2026
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.
Affected Packages
https://github.com/thelia/thelia.git (GITHUB):
Affected version(s) >=2.5.0 <3.1.1 || >=3.0.0-beta1 <3.1.1Fix Suggestion:
Update to version 3.1.1https://github.com/thelia-templates/default-twig.git (GITHUB):
Affected version(s) >=0.1.0 <1.1.1 || >=1.0.0-beta3 <1.1.1Fix Suggestion:
Update to version 1.1.1thelia/core (PHP):
Affected version(s) >=2.5.0 <3.1.1 || >=3.0.0-beta1 <3.1.1Fix Suggestion:
Update to version 3.1.1thelia/thelia (PHP):
Affected version(s) >=2.5.0 <3.1.1 || >=3.0.0-beta1 <3.1.1Fix Suggestion:
Update to version 3.1.1thelia/backoffice-default-twig-template (PHP):
Affected version(s) >=1.0.0-beta3 <1.1.1 || >=0.1.0 <1.1.1Fix Suggestion:
Update to version 1.1.1Related Resources (12)
Do you need more information?
Contact UsCVSS v4
Base Score:
4.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
ACTIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation
EPSS
Base Score:
0.24