CVE-2026-25688: Apache Answer: XSS in AI Answer Rendering

[Enxin Xie <linkinstar () apache org>]

Severity: critical 

Affected versions:

- Apache Answer through 2.0.0

Description:

Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer.

This issue affects Apache Answer: through 2.0.0.

AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be 
executed when the content was viewed.
Users are recommended to upgrade to version 2.0.1, which fixes the issue.

Credit:

Sho Odagiri (reporter)

References:

https://answer.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-25688