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CVE-2018-8518

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly...

5.4 Medium

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects Microsoft SharePoint. This CVE ID is unique from CVE-2018-8480, CVE-2018-8488, CVE-2018-8498.

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

2.81%Down 6.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.4

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects Microsoft SharePoint. This CVE ID is unique from CVE-2018-8480, CVE-2018-8488, CVE-2018-8498.

Record
CVE-2018-8518
CVSS 3.0
5.4 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects Microsoft SharePoint. This CVE ID is unique from CVE-2018-8480, CVE-2018-8488, CVE-2018-8498.

Record
CVE-2018-8518
Updated
2026-11-02
EUVDEUVD-2018-20142 No score

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects Microsoft SharePoint. This CVE ID is unique from CVE-2018-8480, CVE-2018-8488, CVE-2018-8498.

Record
EUVD-2018-20142
Updated
2026-11-03
GitHub AdvisoriesGHSA-g49q-72gp-cj2r 5.4

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly...

An elevation of privilege vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka "Microsoft SharePoint Elevation of Privilege Vulnerability." This affects Microsoft SharePoint. This CVE ID is unique from CVE-2018-8480, CVE-2018-8488, CVE-2018-8498.

Record
GHSA-g49q-72gp-cj2r
CVSS 3.0
5.4 MediumCVSS: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
OSVSUSE-SU-2022:0142-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues:

  • Update to version 2.34.3 (bsc#1194019).
  • CVE-2021-30887: Fixed logic issue allowing unexpectedly unenforced Content Security Policy when processing maliciously crafted web content.
  • CVE-2021-30890: Fixed logic issue allowing universal cross site scripting when processing maliciously crafted web content.
Record
SUSE-SU-2022:0142-1
Updated
2026-11-02
OSVSUSE-SU-2022:0183-1 No score

Security update for webkit2gtk3

This update for webkit2gtk3 fixes the following issues:

  • Update to version 2.34.3 (bsc#1194019).
  • CVE-2021-30887: Fixed logic issue allowing unexpectedly unenforced Content Security Policy when processing maliciously crafted web content.
  • CVE-2021-30890: Fixed logic issue allowing universal cross site scripting when processing maliciously crafted web content.
Record
SUSE-SU-2022:0183-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
webkit2gtk3
SUSE:HPE Helion OpenStack 8
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:OpenStack Cloud 8
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:OpenStack Cloud 9
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:OpenStack Cloud Crowbar 8
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:OpenStack Cloud Crowbar 9
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:Linux Enterprise Software Development Kit 12 SP5
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP2-BCL
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP3-LTSS
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
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Affected packages
PackageAffectedFixed
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP3-BCL
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP4-LTSS
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:Linux Enterprise Server 12 SP5
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
From an advisory covering 72 CVEs
 before 2.34.3-2.82.1
2.34.3-2.82.1
webkit2gtk3
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
From an advisory covering 53 CVEs
 before 2.34.3-3.92.1
2.34.3-3.92.1
webkit2gtk3
SUSE:Linux Enterprise High Performance Computing 15-LTSS
From an advisory covering 53 CVEs
 before 2.34.3-3.92.1
2.34.3-3.92.1
webkit2gtk3
SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS
From an advisory covering 53 CVEs
 before 2.34.3-3.92.1
2.34.3-3.92.1
webkit2gtk3
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS
From an advisory covering 53 CVEs
 before 2.34.3-3.92.1
2.34.3-3.92.1
webkit2gtk3
SUSE:Linux Enterprise Server 15-LTSS
From an advisory covering 53 CVEs
 before 2.34.3-3.92.1
2.34.3-3.92.1
webkit2gtk3
SUSE:Linux Enterprise Server 15 SP1-BCL
From an advisory covering 53 CVEs
 before 2.34.3-3.92.1
2.34.3-3.92.1
webkit2gtk3
SUSE:Linux Enterprise Server 15 SP1-LTSS
From an advisory covering 53 CVEs
 before 2.34.3-3.92.1
2.34.3-3.92.1
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 15
From an advisory covering 53 CVEs
 before 2.34.3-3.92.1
2.34.3-3.92.1
webkit2gtk3
SUSE:Linux Enterprise Server for SAP Applications 15 SP1
From an advisory covering 53 CVEs
 before 2.34.3-3.92.1
2.34.3-3.92.1
webkit2gtk3
SUSE:Enterprise Storage 6
From an advisory covering 53 CVEs
 before 2.34.3-3.92.1
2.34.3-3.92.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-8518 is a medium vulnerability (CVSS 5.4) in Microsoft Sharepoint, published October 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.81%, the 86th percentile. No source names a fixed version.

References

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