Description

WordPress Plugin Share Buttons by AddThis is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks. WordPress Plugin Share Buttons by AddThis version 5.0.12 is vulnerable; prior versions may also be affected.

Remediation

Update to plugin version 5.0.13 or latest

References

http://cinu.pl/research/wp-plugins/mail_86159238a0492a8c7d32678a61912372.html

https://wordpress.org/plugins/addthis/changelog/

Related Vulnerabilities

WebLogic Missing Authentication for Critical Function Vulnerability (CVE-2026-60698)

WordPress Plugin Alpine PhotoTile for Instagram Cross-Site Scripting (1.2.6.5)

WordPress Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2007-5106)

WordPress Plugin WP-Spreadplugin Cross-Site Scripting (3.8.6)

WordPress Plugin ALO EasyMail Newsletter Multiple Cross-Site Scripting Vulnerabilities (2.4.7)

Severity

High

Classification

CWE-79 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update XSS