CVE-2020-27620: XSS
First published: Thu Oct 22 2020(Updated: )
The Cosmos Skin for MediaWiki through 1.35.0 has stored XSS because MediaWiki messages were not being properly escaped. This is related to wfMessage and Html::rawElement, as demonstrated by CosmosSocialProfile::getUserGroups.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MediaWiki | <=1.35.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-27620?
CVE-2020-27620 has a severity rating associated with stored XSS vulnerabilities, which can lead to significant security risks.
How do I fix CVE-2020-27620?
To fix CVE-2020-27620, upgrade the Cosmos Skin for MediaWiki to version 1.35.1 or later where the issue has been addressed.
What type of vulnerability is CVE-2020-27620?
CVE-2020-27620 is a stored cross-site scripting (XSS) vulnerability related to improper escaping of MediaWiki messages.
Which versions of the Cosmos Skin for MediaWiki are affected by CVE-2020-27620?
CVE-2020-27620 affects all versions of the Cosmos Skin for MediaWiki up to and including version 1.35.0.
What components are involved in CVE-2020-27620?
CVE-2020-27620 involves the wfMessage and Html::rawElement components of MediaWiki.
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