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CVE-2026-34033

MEDIUM 5.4

Published 2026-06-09 · Last modified 2026-06-09

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.

NO EXPLOITATION SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.4%chance of exploitation in 30 days · 27th percentile

○ In CISA KEV ○ Public exploit / PoC

Impact if exploited

5.4CVSS 3.1 · MEDIUM

  • ConfidentialityLow
  • IntegrityLow
  • AvailabilityNone

What an attacker needs

  • Access: Reachable over the network — no local access needed
  • Privileges: Requires a low-privilege account
  • User interaction: A user must take an action (click / open a file)
  • Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Affected

Vendors Apache Software Foundation

Products Apache Answer

Weakness (CWE)

  • CWE-80

CVSS vector

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

Sources: NVD · CVE.org · EPSS