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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction Active

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Thelia Thelia unaffected
Version Status Constraints
0 affected < 3.1.0
Thelia Thelia Core unaffected
Version Status Constraints
0 affected < 3.1.0

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No data.

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/thelia/thelia/blob/3.0.0/core/lib/Thelia/Condition/Implementation/ForSomeCustomers.php#L119 cve-icon cve-icon
https://github.com/thelia/thelia/commit/c90d59375089a0833a56703c6f9f9ddea17bddc9 cve-icon cve-icon
https://github.com/thelia/thelia/releases/tag/3.1.0 cve-icon cve-icon
https://github.com/thelia/thelia/security/advisories/GHSA-r63g-6wfg-v5v9 cve-icon cve-icon
https://www.vulncheck.com/advisories/thelia-before-3.1.0-stored-xss-via-coupon-condition-customer-name cve-icon cve-icon
History

Sat, 31 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
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.
Title Thelia before 3.1.0 Stored XSS via Coupon Condition Customer Name
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N'}

cvssV4_0

{'score': 7.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-31T17:25:53.467Z

Reserved: 2026-10-31T11:44:48.191Z

Link: CVE-2026-120205

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-31T18:17:08.570

Modified: 2026-10-31T18:17:08.570

Link: CVE-2026-120205

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-31T18:30:09Z

Weaknesses