MEDIUM
Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persistent XSS via a contact group
Published May 30, 2018
6.1
MEDIUMCVSS 3.0
EPSS 1.45%
Description
Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persistent XSS via a contact group.
Affected products
No data.
OR
- ≥ 8.7.0 · ≤ 8.7.11
- ≥ 8.8.0 · ≤ 8.8.8
- 8.7.11
- 8.7.11
- 8.7.11
- 8.8.8
- 8.8.8
- 8.8.8
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.1 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.45% 0.01447
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.01447
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.45% (0.01447) | 72.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.44% (0.01435) | 69.54th | v5 (v2026.06.15) |
| Nov 21, 2025 | 1.59% (0.01593) | 81.09th | v4 (v2025.03.14) |
| Nov 18, 2025 | 0.40% (0.00395) | 57.64th | v4 (v2025.03.14) |
| Oct 13, 2025 | 1.59% (0.01593) | 80.96th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.86% (0.02859) | 85.32th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00145) | 51.96th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.14% (0.00145) | 49.79th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00183) | 53.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.32% (0.01324) | 31.25th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.32% (0.01324) | 0.00th | v1 |
Weaknesses (1)
References (5)
- https://blog.zimbra.com/2018/05/new-zimbra-patches-8-8-8-patch-4-and-8-7-11-patch-4/ x_refsource_CONFIRMPatchVendor Advisory
- https://wiki.zimbra.com/wiki/Security_Center x_refsource_CONFIRMPatchVendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.11/P4 x_refsource_CONFIRMPatchRelease NotesVendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.8/P4 x_refsource_CONFIRMPatchRelease NotesVendor Advisory
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://blog.zimbra.com/2018/05/new-zimbra-patches-8-8-8-patch-4-and-8-7-11-patch-4/ | x_refsource_CONFIRMPatchVendor Advisory | |
| https://wiki.zimbra.com/wiki/Security_Center | x_refsource_CONFIRMPatchVendor Advisory | |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/8.7.11/P4 | x_refsource_CONFIRMPatchRelease NotesVendor Advisory | |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.8/P4 | x_refsource_CONFIRMPatchRelease NotesVendor Advisory | |
| https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 30, 2018
Updated Aug 5, 2024
Reserved May 9, 2018
Link CVE-2018-10939
CISA Vulnrichment
Updated n/a