Angular platform-server up to 20.3.26/21.2.18/22.0.6 DOM Emulation cross site scripting

Summaryinfo

A vulnerability categorized as problematic has been discovered in Angular platform-server up to 20.3.26/21.2.18/22.0.6. This affects an unknown function of the component DOM Emulation. Executing a manipulation can lead to cross site scripting. The identification of this vulnerability is CVE-2026-69149. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Angular platform-server up to 20.3.26/21.2.18/22.0.6. This vulnerability affects an unknown functionality of the component DOM Emulation. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.27, 21.2.19, and 22.0.7, a Cross-Site Scripting (XSS) vulnerability exists in @angular/platform-server's DOM emulation dependency (domino) when serializing the content of fallback raw-content elements (<iframe>, <noembed>, <noframes>, and <noscript>). This issue is fixed in versions 20.3.27, 21.2.19, and 22.0.7.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-69149 since 08/03/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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.

Upgrading to version 20.3.27, 21.2.19 or 22.0.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-52350). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• JavaScript Library

Vendor

• Angular

Name

• platform-server

Version

• 20.3.0
• 20.3.1
• 20.3.2
• 20.3.3
• 20.3.4
• 20.3.5
• 20.3.6
• 20.3.7
• 20.3.8
• 20.3.9
• 20.3.10
• 20.3.11
• 20.3.12
• 20.3.13
• 20.3.14
• 20.3.15
• 20.3.16
• 20.3.17
• 20.3.18
• 20.3.19
• 20.3.20
• 20.3.21
• 20.3.22
• 20.3.23
• 20.3.24
• 20.3.25
• 20.3.26
• 21.2.0
• 21.2.1
• 21.2.2
• 21.2.3
• 21.2.4
• 21.2.5
• 21.2.6
• 21.2.7
• 21.2.8
• 21.2.9
• 21.2.10
• 21.2.11
• 21.2.12
• 21.2.13
• 21.2.14
• 21.2.15
• 21.2.16
• 21.2.17
• 21.2.18
• 22.0.0
• 22.0.1
• 22.0.2
• 22.0.3
• 22.0.4
• 22.0.5
• 22.0.6

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

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