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THREAT OPS › Threat News › [NVD] CVE-2026-73572 (MEDIUM 6.1) — In Zimbra Collaboration (ZCS) before 10.1.17, a stored cross-site scripting (XSS) vulnerability exists in the Zimbra Classic Web Client due to insufficient sanitization of specific attachment content during inline preview. An attacker can send a crafted email containing a malicio

[NVD] CVE-2026-73572 (MEDIUM 6.1) — In Zimbra Collaboration (ZCS) before 10.1.17, a stored cross-site scripting (XSS) vulnerability exists in the Zimbra Classic Web Client due to insufficient sanitization of specific attachment content during inline preview. An attacker can send a crafted email containing a malicio

mednvdPublished 2026-08-13

CVE-2026-73572 CVSS: 6.1 MEDIUM Published: 2026-08-13T16:19:06.287

In Zimbra Collaboration (ZCS) before 10.1.17, a stored cross-site scripting (XSS) vulnerability exists in the Zimbra Classic Web Client due to insufficient sanitization of specific attachment content during inline preview. An attacker can send a crafted email containing a malicious attachment that, when previewed by a user, execut

MITRE ATT&CK techniques

JavaScriptT1059.007

Indicators of compromise

CVE-2026-73572cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-73572