CVE-2023-34192 KEV
9.0
CRITICAL · CVSS 3.1 · EPSS 77.3% (pctl 100)
Patch first
On CISA KEV — known exploited in the wild, due 2025-03-18.
Description
Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.
Scoring
| CVSS | 9.0 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
| EPSS | 77.27% — more likely to be exploited than 100% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | yes — remediate by 2025-03-18 |
| Public exploit | none known |
| Published | 2023-07-06 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability |
|---|---|
| Added | 2025-02-25 |
| Due | 2025-03-18 |
| Vendor / product | Synacor / Zimbra Collaboration Suite (ZCS) |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| synacor | zimbra collaboration suite |
References
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://wiki.zimbra.com/wiki/Security_Center
- https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-34192
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