CVE-2024-50599

6.1 mediumEPSS 64%

Medium (6.1) in synacor zimbra collaboration suite. EPSS 64% chance of exploitation in the next 30 days.

A reflected Cross-Site Scripting (XSS) vulnerability has been identified in Zimbra Collaboration Suite (ZCS) 8.8.15, affecting one of the webmail calendar endpoints. This arises from improper handling of user-supplied input, allowing an attacker to inject malicious code that is reflected back in the HTML response.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 64% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2024-11-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

synacor:zimbra_collaboration_suite

References

https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P46#Security_Fixes
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

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