CVE-2025-4577: Smash Balloon Custom Facebook Feed <= 4.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via `data-color` Attribute
The Smash Balloon Social Post Feed – Simple Social Feeds for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the data-color attribute in all versions up to, and including, 4.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-4577?
CVE-2025-4577 is classified as a moderate severity vulnerability due to the potential for stored cross-site scripting.
How do I fix CVE-2025-4577?
To fix CVE-2025-4577, update the Smash Balloon Social Post Feed plugin to version 4.3.2 or later.
Are all versions of the Smash Balloon Custom Facebook Feed affected by CVE-2025-4577?
Yes, all versions of the Smash Balloon Custom Facebook Feed plugin up to and including 4.3.1 are affected by CVE-2025-4577.
What type of vulnerability is CVE-2025-4577?
CVE-2025-4577 is a stored cross-site scripting vulnerability caused by insufficient input sanitization.
Who is affected by CVE-2025-4577?
Users of the Smash Balloon Social Post Feed plugin for WordPress are affected by CVE-2025-4577.