PT-2021-16065 · WordPress · Wp Html Author Bio

Veshraj Ghimire + 1 · Published 2021-10-11 · Updated 2021-10-15 · CVE-2021-24545

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions WP HTML Author Bio WordPress plugin versions 1.2.0 and earlier

Description The issue allows users with a role as low as author to perform Cross-Site Scripting attacks against other users by injecting malicious JavaScript code into their bio, which is executed when anyone visits a post made by such a user. This could potentially lead to privilege escalation when an admin views the related post.

Recommendations For WP HTML Author Bio WordPress plugin versions 1.2.0 and earlier, consider disabling the bio feature for users until a patch is available to prevent the execution of malicious JavaScript code. Restrict access to the plugin's functionality to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24545

Affected Products

Wp Html Author Bio

References · 4

• 🔥 https://wpscan.com/vulnerability/64267134-9d8c-4e0c-b24f-d18692a5775e · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-24545 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24545 · Vendor Advisory
• https://t.me/cibsecurity/30317 · Telegram Post