PatchTheCVECVE-2025-5528: The Social Sharing Plugin – Sassy Social Share plugin for WordPress is vulnerable to Reflected Cross-Site Scri
CVE-2025-5528 is a medium-severity flaw (CVSS 6.1) affecting sassy social share. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 85%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2025-06-07 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-5528?
sassy social share: upgrade to 3.3.76. Exact commands for each OS are on this page.
Is CVE-2025-5528 being exploited?
CVE-2025-5528 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-5528 affect?
CVE-2025-5528 affects sassy social share. Severity is medium (CVSS 6.1). 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
How urgent is CVE-2025-5528?
Priority 25/100. No elevated risk signals yet.
Software pages
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