CVE-2017-8783
Synacor Zimbra Collaboration Suite (ZCS) before 8.7.10 has Persistent XSS.
Synacor Zimbra Collaboration Suite (ZCS) before 8.7.10 has Persistent XSS.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Synacor Zimbra Collaboration Suite (ZCS) before 8.7.10 has Persistent XSS.
- Record
CVE-2017-8783- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Synacor Zimbra Collaboration Suite (ZCS) before 8.7.10 has Persistent XSS.
- Record
CVE-2017-8783- Updated
- 2026-11-02
EUVDEUVD-2017-17726 No score
Synacor Zimbra Collaboration Suite (ZCS) before 8.7.10 has Persistent XSS.
- Record
EUVD-2017-17726- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h26g-9wgm-76qf
Synacor Zimbra Collaboration Suite (ZCS) before 8.7.10 has Persistent XSS.
Synacor Zimbra Collaboration Suite (ZCS) before 8.7.10 has Persistent XSS.
- Record
GHSA-h26g-9wgm-76qf- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Synacor Zimbra Collaboration Suite (ZCS) before 8.7.10 has Persistent XSS.
- Record
CVE-2017-8783- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-8783 is a medium vulnerability (CVSS 5.4) in Synacor Zimbra Collaboration Suite, published February 4, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 59th percentile. No source names a fixed version.