Vulnerability · Published Jun 9, 2026 · Assigned by apache
CVE-2026-34033Apache Answer: HTML Content Injection in Email
Medium 5.4
In plain English
A medium-severity security flaw in Apache Answer from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/apache/answer | 1.7.2-0.20260509080709-d1a4092c61cc | GO-2026-6151 |
| Go | github.com/apache/incubator-answer | 1.7.2-0.20260509080709-d1a4092c61cc | GHSA-6qwm-5fm9-cvjx |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Answer | 0 – through 2.0.0 |
Weakness: CWE-80 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N