CVE-2026-34033

Apache Answer: HTML Content Injection in Email

CVSS 5.4 MEDIUMEPSS 0.4%CWE-80

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.4EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

09 Jun 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

Apache Software Foundation · Apache Answer

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References

https://lists.apache.org/thread/wrfd9blbfotfg479jr8vlwfx6pwr9sgj http://www.openwall.com/lists/oss-security/2026/06/09/3