CVE-2025-5528: Social Sharing Plugin – Sassy Social Share <= 3.3.75 - Reflected Cross-Site Scripting via 'heateor_mastodon_share' Parameter
The Social Sharing Plugin – Sassy Social Share plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the heateormastodonshare parameter in all versions up to, and including, 3.3.75 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action, such as clicking on a link.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-5528?
CVE-2025-5528 has been classified as a high severity vulnerability due to the potential for reflected cross-site scripting attacks.
How do I fix CVE-2025-5528?
To fix CVE-2025-5528, update the Sassy Social Share plugin to a version later than 3.3.75.
What types of attacks can CVE-2025-5528 expose my site to?
CVE-2025-5528 can expose your site to reflected cross-site scripting attacks, allowing attackers to inject malicious scripts.
Which versions of the Sassy Social Share plugin are affected by CVE-2025-5528?
All versions of the Sassy Social Share plugin up to and including 3.3.75 are affected by CVE-2025-5528.
Is input sanitization the issue in CVE-2025-5528?
Yes, insufficient input sanitization and output escaping are the root cause of CVE-2025-5528.