Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
Summary
| CVE | CVE-2023-34192 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2023-07-06 16:15:00 UTC |
| Updated | 2023-07-12 23:08:00 UTC |
| 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. |
Risk And Classification
EPSS: 0.889930000 probability, percentile 0.995300000 (date 2026-04-22)
CISA KEV: Listed on 2025-02-25; due 2025-03-18; ransomware use Unknown
Problem Types: CWE-79
CISA Known Exploited Vulnerability
| Vendor | Synacor |
|---|---|
| Product | Zimbra Collaboration Suite (ZCS) |
| Name | Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability |
| Required Action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
| Notes | https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories ; https://nvd.nist.gov/vuln/detail/CVE-2023-34192 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Zimbra | Collaboration | 8.8.15 | - | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p1 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p10 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p11 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p12 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p13 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p14 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p15 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p16 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p17 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p18 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p19 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p2 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p20 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p21 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p22 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p23 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p24 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p25 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p26 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p27 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p28 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p29 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p3 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p30 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p31 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p32 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p33 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p34 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p35 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p37 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p4 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p5 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p6 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p7 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p8 | All | All |
| Application | Zimbra | Collaboration | 8.8.15 | p9 | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Zimbra Responsible Disclosure Policy - Zimbra :: Tech Center | MISC | wiki.zimbra.com | |
| wiki.zimbra.com/wiki/Zimbra_Security_Advisories | MISC | wiki.zimbra.com | |
| wiki.zimbra.com/wiki/Security_Center | MISC | wiki.zimbra.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 378698 Zimbra Cross-Site Scripting (XSS) Vulnerability