CVE-2020-27620
6.1 · MEDIUMOverview
CVE-2020-27620 is a medium-severity vulnerability affecting mediawiki skin\. It was published on October 22, 2020 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from mediawiki. Update skin\ to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mediawiki | skin\ | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2020-27620?
CVE-2020-27620 is a medium-severity vulnerability affecting mediawiki skin\. It was published on October 22, 2020 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2020-27620?
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-27620?
Check the references section for vendor advisories and patches from mediawiki. Update skin\ to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-27620?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-27620 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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