PT-2021-16085 · WordPress · Addtoany Share Buttons

Asif Nawaz Minhas · Published 2021-09-06 · Updated 2021-09-09 · CVE-2021-24568

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 AddToAny Share Buttons WordPress plugin versions prior to 1.7.46

Description The issue allows high privilege users, such as admins, to perform Cross-Site Scripting attacks. This is possible because the plugin does not sanitize its Sharing Header setting when outputting it in frontend pages, even when the unfiltered html capability is disallowed.

Recommendations For versions prior to 1.7.46, update to version 1.7.46 or later to resolve the issue. As a temporary workaround, consider restricting the ability to modify the Sharing Header setting to trusted users only.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24568

Affected Products

Addtoany Share Buttons

References · 4

• 🔥 https://wpscan.com/vulnerability/cf7c0207-adb2-44c6-9469-2b24dbfec83a · Exploit
• https://osv.dev/vulnerability/CVE-2021-24568 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-24568 · Security Note
• https://t.me/cibsecurity/28287 · Telegram Post