CVE-2026-10632
CVE-2026-10632 · Zimbra Collaboration Suite Classic Web Client Reflected Cross-Site Scripting via Document Editor Packages Parameter
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A reflected cross-site scripting vulnerability in the Classic Web Client of Zimbra Collaboration Suite (ZCS) allows an attacker to inject JavaScript through the packages parameter of the /h/rest document editor. The editor inserts package names into script attributes without HTML encoding. When combined with CVE-2026-50053, an attacker with an ordinary Zimbra account can supply their own authentication token and document identifiers in a URL and execute JavaScript in another signed-in user's Zimbra browser session when that user opens the URL. This permits reading mailbox data and performing authenticated actions as the victim. The issue affects ZCS 10.1.16 and was remediated in 10.1.17.
CVSS 8.7 · Élevée · EPSS 0,3% · Correctif disponible
- Publication
- Mise à jour
Produits et versions concernés
zimbra collaboration suite
- Versions du logiciel
- ≥ 0, < 10.1.17: Concernée (semver)
Mettez à jour vers 10.1.17