What is the CVSS score of CVE-2025-5528?

CVE-2025-5528 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.2%.

Which versions of Sassy Social Share are affected by CVE-2025-5528?

Organizations using Social Sharing Plugin - Sassy Social Share should be aware of moderate risk from CVE-2025-5528, a cross-site scripting vulnerability rated CVSS 6.1.

How to fix or mitigate CVE-2025-5528?

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

Sassy Social Share CVE-2025-5528

EUVD-2025-17373 MEDIUM

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

2025-06-07 security@wordfence.com

WordPress XSS Sassy Social Share PHP

6.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.1 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

EUVD ID Assigned

Mar 14, 2026 - 19:13 euvd

EUVD-2025-17373

Analysis Generated

Mar 14, 2026 - 19:13 vuln.today

CVE Published

Jun 07, 2025 - 12:15 nvd

MEDIUM 6.1

DescriptionCVE.org

The Social Sharing Plugin - Sassy Social Share plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the heateor_mastodon_share 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.