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🛡️ GHSA-jxcx-3h54-qqxx — admin

⚪ Unknown ✅ No Known Exploit CWE-79 OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

SilverStripe CMS Cross-site Scripting vulnerabilities inherited from TinyMCE

TinyMCE 4.x is vulnerable to several XSS vectors, which had been patched in later versions. Two of these have been identified as affecting silverstripe/admin.

Only Silverstripe CMS 4 is affected by these vulnerabilities. It's not possible to upgrade Silverstripe CMS 4 to use a more recent release of TinyMCE without introducing breaking changes. Instead, the security patches that shipped in later releases of TinyMCE have been backported to the TinyMCE version bundled in silverstripe/admin.

Silverstripe CMS 5 is not affected by these vulnerabilities because it uses TinyMCE 6.

Weakness class

GHSA-jxcx-3h54-qqxx is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

GHSA-jxcx-3h54-qqxx is recorded against 1 package.

  • silverstripe/admin (from 1.0.0 up to 1.13.6)

Timeline and source

Published on 23 August 2023 and last revised on 29 November 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
github.com (Package)
www.silverstripe.org (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-79
Public Exploit ✅ No
Source OSV
Published 2023-08-23
Updated 2026-08-20
Modified 2024-11-29
Fix URL N/A

Affected Packages

Software From version Fixed in
silverstripe/admin 1.0.0 1.13.6

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