Vulnerability · Published Oct 11, 2021 · Assigned by WPScan
CVE-2021-24545WP HTML Author Bio <= 1.2.0 - Author+ Stored Cross-Site Scripting
Medium 5.4
In plain English
A medium-severity cross-site scripting in WP HTML Author Bio from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | WP HTML Author Bio | 1.2.0 – through 1.2.0 |
Weakness: CWE-79