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The vulnerability of the Zimbra Collaboration Suite’s email management system, related to the lack of measures taken to protect the website structure, allows attackers to perform cross-site scripting attacks.

🗓️ 30 Jan 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

Zimbra Collaboration Suite lacks protection of website structure, enabling remote cross-site scripting.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2025-66376
5 Jan 202616:05
circl
CISA KEV Catalog
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting Vulnerability
18 Mar 202600:00
cisa_kev
CISA
CISA Adds One Known Exploited Vulnerability to Catalog
18 Mar 202612:00
cisa
CNNVD
Zimbra Collaboration 跨站脚本漏洞
5 Jan 202600:00
cnnvd
CVE
CVE-2025-66376
5 Jan 202600:00
cve
Cvelist
CVE-2025-66376
5 Jan 202600:00
cvelist
EUVD
EUVD-2026-0850
5 Jan 202600:00
euvd
NVD
CVE-2025-66376
5 Jan 202615:15
nvd
OSV
CVE-2025-66376
5 Jan 202615:15
osv
Positive Technologies
PT-2026-1290
5 Jan 202600:00
ptsecurity
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20 Mar 2026 00:00Current
7.4High risk
Vulners AI Score7.4
CVSS 26.4
CVSS 37.2
EPSS0.12009
1