CVE-2026-34033: Apache Answer

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. User-supplied content was included in notification emails without proper escaping, allowing authenticated users to inject arbitrary HTML into emails sent to other users. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

Affected products

• Apache Answer: before 2.0.1 (fixed in 2.0.1)

Published 2026-06-09. Last modified 2026-07-23.