🔐 CVE Alert

CVE-2025-5528

MEDIUM 6.1

Social Sharing Plugin – Sassy Social Share <= 3.3.75 - Reflected Cross-Site Scripting via 'heateor_mastodon_share' Parameter

CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-79
Vendor heateor
Product social sharing plugin – sassy social share
Published Jun 7, 2025
Last Updated Apr 8, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

heateor / Social Sharing Plugin – Sassy Social Share
0 ≤ 3.3.75

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/99e922ec-d40a-47e7-a10f-d966a351d182?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/sassy-social-share/tags/3.3.75/public/class-sassy-social-share-public.php#L1481

Credits

Naveen H N