cure53 DOMPurify up to 2.5.8/3.2.6 cross site scripting

Summaryinfo

A vulnerability categorized as problematic has been discovered in cure53 DOMPurify up to 2.5.8/3.2.6. This issue affects some unknown processing. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2025-15599. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in cure53 DOMPurify up to 2.5.8/3.2.6. It has been classified as problematic. Affected is an unknown functionality. 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. CVE summarizes:

DOMPurify 3.1.3 through 3.2.6 and 2.5.3 through 2.5.8 contain a cross-site scripting vulnerability that allows attackers to bypass attribute sanitization by exploiting missing textarea rawtext element validation in the SAFE_FOR_XML regex. Attackers can include closing rawtext tags like </textarea> in attribute values to break out of rawtext contexts and execute JavaScript when sanitized output is placed inside rawtext elements. The 3.x branch was fixed in 3.2.7; the 2.x branch was never patched.

The weakness was shared by Scott Moore. The advisory is available at github.com. This vulnerability is traded as CVE-2025-15599 since 03/03/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 300626 (Linux Distros Unpatched Vulnerability : CVE-2025-15599), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.2.7 eliminates this vulnerability. Applying the patch c861f5a83fb8d90800f1680f855fee551161ac2b 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.

The vulnerability is also documented in the databases at Tenable (300626) and CERT Bund (WID-SEC-2026-1007). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

• IBM App Connect Enterprise

Productinfo

Vendor

• cure53

Name

• DOMPurify

Version

• 2.5.0
• 2.5.1
• 2.5.2
• 2.5.3
• 2.5.4
• 2.5.5
• 2.5.6
• 2.5.7
• 2.5.8
• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.2.5
• 3.2.6

License

• open-source

Website

• Product: https://github.com/cure53/DOMPurify/

CPE 2.3info

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CPE 2.2info

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Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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