A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft Office SharePoint XSS Vulnerability." This affects Microsoft SharePoint Server, Microsoft SharePoint
Published Sep 13, 2018
5.4
MEDIUMCVSS 3.0
EPSS 2.25%
Description
A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft Office SharePoint XSS Vulnerability." This affects Microsoft SharePoint Server, Microsoft SharePoint.
Affected products
-
- Version Enterprise Server 2013 Service Pack 1StatusaffectedConstraints-
- Version Enterprise Server 2016StatusaffectedConstraints-
- Version
-
- Version 2010 Service Pack 2StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | Microsoft SharePoint | n/a |
| |||||||||
| Microsoft | Microsoft SharePoint Server | n/a |
|
- n/a
- n/a
- n/a
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.
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:S/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.25% (0.02253) | 82.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.25% (0.02253) | 80.59th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.30% (0.00305) | 51.55th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00207) | 59.55th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.21% (0.00207) | 58.98th | v3 (v2023.03.01) |
| May 29, 2024 | 0.25% (0.00249) | 64.81th | v3 (v2023.03.01) |
| May 2, 2024 | 0.21% (0.00206) | 58.20th | v3 (v2023.03.01) |
| Feb 3, 2024 | 0.12% (0.00118) | 45.78th | v3 (v2023.03.01) |
| Jul 19, 2023 | 0.14% (0.00138) | 48.48th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.14% (0.00145) | 49.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00134) | 46.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.42% (0.01418) | 73.14th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.42% (0.01418) | 71.15th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.42% (0.01418) | 50.43th | v2 (v2022.01.01) |
| Feb 3, 2022 | 9.25% (0.09255) | 86.70th | v1 |
| Jan 6, 2022 | 9.25% (0.09255) | 86.54th | v1 |
| Sep 1, 2021 | 9.25% (0.09255) | 93.94th | v1 |
| Apr 14, 2021 | 9.25% (0.09255) | 0.00th | v1 |
References (3)
- http://www.securityfocus.com/bid/105208 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041640 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426 x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105208 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041640 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426 | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.