Apache Answer: HTML Content Injection in Email
CVE-2026-34033

Currently unrated

Key Information:

Vendor: Apache
Status: Apache Answer
Vendor: CVE Published:; 9 June 2026

What is CVE-2026-34033?

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 Version(s)

Apache Answer 0 <= 2.0.0

References

https://lists.apache.org/thread/wrfd9blbfotfg479jr8vlwfx6...

vendor-advisory

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Timeline

Vulnerability published
Jun 9, 2026
Vulnerability Reserved
Mar 25, 2026

Credit

Reimar Fritz

CVE-2026-34033 Data

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