CVE-2023-24031

moderate-risk

Published 2023-06-15

An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 8.8.15. XSS can occur, via one of attributes of the webmail /h/ endpoint, to execute arbitrary JavaScript code, leading to information disclosure.

Do I need to act?

0.45% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 6.1/10 Medium

NETWORK / LOW complexity

Affected Products (20)

Collaboration

Affected Vendors

Zimbra

References (4)

Release Notes https://wiki.zimbra.com/wiki/Security_Center

Vendor Advisory https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Release Notes https://wiki.zimbra.com/wiki/Security_Center

Vendor Advisory https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

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moderate-risk

Severity 23/34 · High

Exploitability 2/34 · Minimal

Exposure 21/34 · High