CVE-2026-34033CWE-80

Apache Answer: HTML Content Injection in Email

Medium · published June 9, 2026

CVSS v3.1
5.4
EPSS
1%
Percentile
43.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00520 · 43.3th percentile
Weakness
CWE-80 · Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Published
2026-06-09T07:35Z
EPSS history
Timeline
  • 09 JUN 07:35Z
    Apache Answer: HTML Content Injection in Email
    cvelistv5