CVE-2018-8426
published 2018-09-13CVE-2018-8426: A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected…
PriorityP427medium5.4CVSS 3.0
AVNACLPRLUIRSCCLILAN
EPSS
2.25%
80.9th percentile
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
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_sharepoint | — | — |
| microsoft | microsoft_sharepoint | — | — |
| microsoft | microsoft_sharepoint_server | — | — |
| msrc | microsoft_sharepoint_enterprise_server_2013_service_pack_1 | — | — |
| msrc | microsoft_sharepoint_enterprise_server_2016 | — | — |
| msrc | microsoft_sharepoint_server_2010_service_pack_2 | — | — |
CVSS provenance
nvdv3.05.4MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
nvdv2.03.5LOWAV:N/AC:M/Au:S/C:N/I:P/A:N
vendor_msrc5.4HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Microsoft
Microsoft Office SharePoint XSS Vulnerability
vendor_msrc·2018-09-11·CVSS 5.4
CVE-2018-8426 [MEDIUM] Microsoft Office SharePoint XSS Vulnerability
Microsoft Office SharePoint XSS Vulnerability
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. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected SharePoint server.
The attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current user. The attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim's identity to take actions on the SharePoint site on behalf of the user, such as change permissions and delete content, and inject mal
GHSA
GHSA-87vw-7wf8-wpfx: A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an af
ghsa_unreviewed·2022-05-14
CVE-2018-8426 [MEDIUM] CWE-79 GHSA-87vw-7wf8-wpfx: A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an af
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.
No detection rules found.
No public exploits indexed.
Talos
Microsoft Patch Tuesday - September 2018
blogs_talos·2018-09-11·CVSS 8.4
[HIGH] Microsoft Patch Tuesday - September 2018
Microsoft released its monthly set of security updates today for a variety of its products that address a variety of bugs. The latest Patch Tuesday covers 61 vulnerabilities, 17 of which are rated "critical," 43 that are rated "important" and one that is considered to have "moderate" severity.
The advisories cover bugs in the Internet Explorer web browser, Jet Database Engine and the Chakra scripting engine, among other products and software.
This update also includes two critical advisories, one of which covers security updates to Adobe Flash, and another that deals with a denial-of-service vulnerability in the Microsoft Windows operating system.
## Critical vulnerabilitiesMicrosoft released coverage for 17 critical bugs. Cisco Talos believes 16 of these are of special importance and n
Talos
Microsoft Patch Tuesday - September 2018
blogs_talos·2018-09-11·CVSS 8.4
[HIGH] Microsoft Patch Tuesday - September 2018
## Microsoft Patch Tuesday - September 2018
Microsoft released its monthly set of security updates today for a variety of its products that address a variety of bugs. The latest Patch Tuesday covers 61 vulnerabilities, 17 of which are rated "critical," 43 that are rated "important" and one that is considered to have "moderate" severity.
The advisories cover bugs in the Internet Explorer web browser, Jet Database Engine and the Chakra scripting engine, among other products and software.
This update also includes two critical advisories, one of which covers security updates to Adobe Flash, and another that deals with a denial-of-service vulnerability in the Microsoft Windows operating system.
## Critical vulnerabilities Microsoft released coverage for 17 critical bugs. Cisco Talos believ
http://www.securityfocus.com/bid/105208http://www.securitytracker.com/id/1041640https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426http://www.securityfocus.com/bid/105208http://www.securitytracker.com/id/1041640https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426
2018-09-13
Published