CVE-2021-24545
5.4 · MEDIUMOverview
CVE-2021-24545 is a medium-severity vulnerability affecting wp_html_author_bio_project wp_html_author_bio. It was published on October 11, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
The WP HTML Author Bio WordPress plugin through 1.2.0 does not sanitise the HTML allowed in the Bio of users, allowing them to use malicious JavaScript code, which will be executed when anyone visit a post in the frontend made by such user. As a result, user with a role as low as author could perform Cross-Site Scripting attacks against users, which could potentially lead to privilege escalation when an admin view the related post/s.
Remediation
Check the references section for vendor advisories and patches from wp_html_author_bio_project. Update wp_html_author_bio 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 |
|---|---|---|---|
| wp_html_author_bio_project | wp_html_author_bio | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-24545?
CVE-2021-24545 is a medium-severity vulnerability affecting wp_html_author_bio_project wp_html_author_bio. It was published on October 11, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2021-24545?
This vulnerability has a CVSS 3.1 base score of 5.4, 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-2021-24545?
Check the references section for vendor advisories and patches from wp_html_author_bio_project. Update wp_html_author_bio 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-2021-24545?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-24545 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.
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