CVE-2020-11051
6.9 · MEDIUMOverview
CVE-2020-11051 is a medium-severity vulnerability affecting requarks wiki.js. It was published on May 5, 2020 and has a CVSS 3.1 base score of 6.9 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
In Wiki.js before 2.3.81, there is a stored XSS in the Markdown editor. An editor with write access to a page, using the Markdown editor, could inject an XSS payload into the content. If another editor (with write access as well) load the same page into the Markdown editor, the XSS payload will be executed as part of the preview panel. The rendered result does not contain the XSS payload as it is stripped by the HTML Sanitization security module. This vulnerability only impacts editors loading the malicious page in the Markdown editor. This has been patched in 2.3.81.
Remediation
Check the references section for vendor advisories and patches from requarks. Update wiki.js 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 |
|---|---|---|---|
| requarks | wiki.js | >= 0, < 2.3.81 | Affected |
References
Frequently Asked Questions
What is CVE-2020-11051?
CVE-2020-11051 is a medium-severity vulnerability affecting requarks wiki.js. It was published on May 5, 2020 and has a CVSS 3.1 base score of 6.9 (MEDIUM).
How severe is CVE-2020-11051?
This vulnerability has a CVSS 3.1 base score of 6.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2020-11051?
Check the references section for vendor advisories and patches from requarks. Update wiki.js 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-2020-11051?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-11051 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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Browser-based exploitation validates findings with real proof-of-concept.
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