SilverStripe through 4.6.0-rc1 has an XXE Vulnerability in CSSContentParser. A developer utility meant for parsing HTML within unit tests can be vulnerable to XML External Entity (XXE) attacks. When this developer utility is misused for purposes involving external or user submitted data in custom project code, it can lead to vulnerabilities such as XSS on HTML output rendered through this custom code. This is now mitigated by disabling external entities during parsing. (The correct CVE ID year is 2020 [CVE-2020-25817, not CVE-2021-25817]).
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History
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MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2021-06-08T17:54:01
Updated: 2024-08-04T15:40:36.948Z
Reserved: 2020-09-23T00:00:00
Link: CVE-2020-25817
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-06-08T18:15:07.907
Modified: 2024-11-21T05:18:50.080
Link: CVE-2020-25817
Redhat
No data.