CVE-2020-8035: Horde Groupware

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

The image view functionality in Horde Groupware Webmail Edition before 5.2.22 is affected by a stored Cross-Site Scripting (XSS) vulnerability via an SVG image upload containing a JavaScript payload. An attacker can obtain access to a victim's webmail account by making them visit a malicious URL.

Affected products

• Horde Groupware: before 5.2.22 (fixed in 5.2.22)

Published 2020-05-18. Last modified 2026-06-17.