CVE-2024-50599

high-risk
Published 2024-11-07

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.

Do I need to act?

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21.6% chance of exploitation in next 30 days
EPSS score — higher than 78% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Vendors

62
/ 100
high-risk
Severity 23/34 · High
Exploitability 14/34 · Moderate
Exposure 25/34 · High