CVE-2025-5528

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

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: heateor Social Sharing Plugin – Sassy Social Share
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-5528?
CVE-2025-5528 has been scored as a medium severity vulnerability.
How to fix CVE-2025-5528?
To fix CVE-2025-5528, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-5528 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-5528 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-5528?
CVE-2025-5528 affects heateor Social Sharing Plugin – Sassy Social Share.
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