CVE-2026-120205

High

Description

Thelia before 3.1.0 contains a stored cross-site scripting vulnerability in ForSomeCustomers::getSummary() that allows unauthenticated attackers to inject scripts via unescaped customer names. Attackers can register with a script payload as their name that executes when administrators view related coupons, stealing CSRF tokens to create administrator accounts.

SeverityHigh

CVSS8.0

Exploit probability—

Product

Thelia

PublishedOct 31, 2026

First seenNov 4, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

Thelia Thelia3.1.0 or later
Thelia Thelia Core3.1.0 or later

Patches

github.com/thelia/thelia/commit/c90d59375089a0833a56703c6f9f9ddea17bddc9

Vendor advisories

Affected products

Product	Affected versions	Fixed in
Thelia Thelia	v < 3.1.0	3.1.0
Thelia Thelia Core	v < 3.1.0	3.1.0

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