What is CVE-2026-34033?

CVE-2026-34033 is a medium-severity vulnerability in Apache Answer, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 5.4/10. Published 2026-06-09.

How severe is CVE-2026-34033?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Apache Answer

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 escap…

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Apache Answer

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
CWE-79 — Cross-site Scripting

References

security@apache.org (Mailing List)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List)

Frequently asked questions

What is CVE-2026-34033?: CVE-2026-34033 is a medium-severity vulnerability in Apache Answer, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 5.4/10. Published 2026-06-09.
How severe is CVE-2026-34033?: Medium severity. CVSS v3 base score is 5.4 out of 10.