Summaryinfo

A vulnerability was found in Jenkins up to LTS 2.263.1/2.274. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Markup Handler. The manipulation leads to cross site scripting. This vulnerability is known as CVE-2021-21610. The attack can be launched remotely. There is no exploit available. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability was found in Jenkins up to LTS 2.263.1/2.274 (Continuous Integration Software). It has been classified as problematic. Affected is some unknown processing of the component Markup Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity.

The weakness was shared 01/14/2021. The advisory is shared for download at jenkins.io. This vulnerability is traded as CVE-2021-21610. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Continuous Integration Software

Name

• Jenkins

Version

• 2.274
• LTS 2.263.0
• LTS 2.263.1

License

• open-source

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