What is the CVSS score of CVE-2025-4577?

CVE-2025-4577 has a CVSS 3.1 base score of 6.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Smash Balloon Social Post Feed are affected by CVE-2025-4577?

Organizations using Smash Balloon Social Post Feed - Simple Social Feeds for WordPress should be aware of moderate risk from CVE-2025-4577, a cross-site scripting vulnerability rated CVSS 6.4.

How to fix or mitigate CVE-2025-4577?

Within 30 days: Identify affected systems running for WordPress is vulnerable to Stored Cross-Site Scripting v and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Smash Balloon Social Post Feed CVE-2025-4577

EUVD-2025-17658 MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-06-10 security@wordfence.com

WordPress XSS Smash Balloon Social Post Feed PHP

6.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.4 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

EUVD ID Assigned

Mar 14, 2026 - 19:49 euvd

EUVD-2025-17658

Analysis Generated

Mar 14, 2026 - 19:49 vuln.today

CVE Published

Jun 10, 2025 - 12:15 nvd

MEDIUM 6.4

DescriptionCVE.org

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.