CVE-2025-5528

MEDIUM

Sassy Social Share <= 3.3.75 - Unauthenticated Reflected XSS via heateor_mastodon_share

Title source: llm

Description

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.

References (2)

Core 2

Core References

Product

https://plugins.trac.wordpress.org/browser/sassy-social-share/tags/3.3.75/public/class-sassy-social-share-public.php#L1481

Third Party Advisory

https://www.wordfence.com/threat-intel/vulnerabilities/id/99e922ec-d40a-47e7-a10f-d966a351d182?source=cve

Scores

CVSS v3 6.1

EPSS 0.0021

EPSS Percentile 10.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

heateor/sassy_social_share < 3.3.76

heateor/Social Sharing Plugin – Sassy Social Share < 3.3.75

Published Jun 07, 2025

Tracked Since Feb 18, 2026