Thelia up to 2.6.0 Administrative Interface cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Thelia up to 2.6.0. This affects an unknown function of the component Administrative Interface. The manipulation leads to cross site scripting. This vulnerability is listed as CVE-2026-103524. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Thelia up to 2.6.0. This issue affects an unknown functionality of the component Administrative Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Thelia v2.6.0 is vulnerable to multiple stored XSS vulnerabilities within the administrative interface. User-supplied input is stored without sufficient output encoding or sanitization and is later rendered in the administrator interface and/or the web store's product pages, allowing arbitrary JavaScript execution when the affected pages are viewed. The vulnerability affects multiple administrative functions including category creation and product creation.

It is possible to read the advisory at kb.cert.org. The identification of this vulnerability is CVE-2026-103524 since 09/30/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are necessary for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

• Thelia

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6.0

CPE 2.3info

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CPE 2.2info

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