CVE-2025-5528 — Cross-site Scripting in Sassy Social Share

CWE-79 — Cross-site ScriptingCWE-20 — Improper Input Validation4 documents4 sources
Severity
6.1MEDIUMNVD
EPSS
0.5%
top 35.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Heateor Sassy Social ShareHeateor Social Sharing Plugin Sassy Social Share
Timeline
PublishedJun 7

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages2 packages

🔴Vulnerability Details

2
GHSA
GHSA-x3mm-qc6h-xw5v: The Social Sharing Plugin – Sassy Social Share plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the heateor_mastodon_share par↗2025-06-07
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CVEList
Social Sharing Plugin – Sassy Social Share <= 3.3.75 - Reflected Cross-Site Scripting via 'heateor_mastodon_share' Parameter↗2025-06-07
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📋Vendor Advisories

1
Microsoft
Kubernetes - Windows nodes - Insufficient input sanitization in in-tree storage plugin leads to privilege escalation↗2023-11-14
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