CVE-2018-8326 json
A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Active Directory Federation Services (AD…
published 2018-07-11 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-19977
- cvss
- 5.4
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Active Directory Federation Services (AD FS) does not properly sanitize a specially crafted web request to an affected AD FS server, aka "Open Source Customization for Active Directory Federation Services XSS Vulnerability." This affects Web Customizations.
Patch / fix
- microsoft web_customizations 0.1
Exploit prediction
2.63% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.4 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Microsoft Web Customizations
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2018-8326
patch, vendor-advisory
-
securitytracker.com
/id/1041266
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/104656
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-8326
- NVD CVE-2018-8326
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.