What’s Vulnerable › Vulnerabilities

CVE-2024-47069: Oveleon Cookiebar reflected Cross-site Scripting vulnerability

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-09-23 · updated 2026-06-17
• Weakness: CWE-79

Description

Oveleon Cookie Bar is a cookie bar is for the Contao Open Source CMS and allows a visitor to define cookie & privacy settings for the website. Prior to versions 1.16.3 and 2.1.3, the `block/locale` endpoint does not properly sanitize the user-controlled `locale` input before including it in the backend's HTTP response, thereby causing reflected cross-site scripting. Versions 1.16.3 and 2.1.3 contain a patch for the vulnerability.

Affected products

• oveleon contao-cookiebar: before 1.16.3; from 2.0.0 before 2.1.3 — fixed in 1.16.3, 2.1.3

How to fix

Upgrade to a fixed version: oveleon contao-cookiebar 1.16.3, 2.1.3. Check the vendor advisory for mitigations.

References

• https://cheatsheetseries.owasp.org/cheatsheets/Cross_Site_Scripting_Prevention_Cheat_Sheet.html
• https://github.com/oveleon/contao-cookiebar/blob/2.x/src/Controller/CookiebarController.php
• https://github.com/oveleon/contao-cookiebar/commit/1d57470be5878f66d5e1e23f624dd387564b9b8d
• https://github.com/oveleon/contao-cookiebar/security/advisories/GHSA-296q-rj83-g9rq

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