AmauriC tarteaucitron.js up to 1.28.x issuu_id redos

Summaryinfo

A vulnerability was found in AmauriC tarteaucitron.js up to 1.28.x. It has been declared as problematic. This vulnerability affects unknown code of the file tarteaucitron.js. Executing a manipulation of the argument issuu_id can lead to redos. This vulnerability appears as CVE-2026-22809. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in AmauriC tarteaucitron.js up to 1.28.x. This vulnerability affects some unknown processing of the file tarteaucitron.js. The manipulation of the argument issuu_id with an unknown input leads to a redos vulnerability. The CWE definition for the vulnerability is CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. As an impact it is known to affect availability. CVE summarizes:

tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.29.0, a Regular Expression Denial of Service (ReDoS) vulnerability was identified in tarteaucitron.js in the handling of the issuu_id parameter. This vulnerability is fixed in 1.29.0.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-22809 since 01/09/2026. The exploitation appears to be easy. The attack needs to be approached locally. Additional levels of successful authentication are necessary for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1449.003.

Upgrading to version 1.29.0 eliminates this vulnerability. Applying the patch f0bbdac2fdf3cd24a325fc0928c0d34abf1b7b52 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• JavaScript Library

Vendor

• AmauriC

Name

• tarteaucitron.js

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28

License

• open-source

Website

• Product: https://github.com/AmauriC/tarteaucitron.js/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Once again VulDB remains the best source for vulnerability data.

Discussion