What is CVE-2025-5528?

CVE-2025-5528 is a medium-severity vulnerability in Heateor Sassy_social_share, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-06-07.

How severe is CVE-2025-5528?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Heateor Sassy_social_share

CVE-2025-5528

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 sanitizatio…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Heateor Sassy_social_share
Heateor Social Sharing Plugin – Sassy Share — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Product)

Frequently asked questions

What is CVE-2025-5528?: CVE-2025-5528 is a medium-severity vulnerability in Heateor Sassy_social_share, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-06-07.
How severe is CVE-2025-5528?: Medium severity. CVSS v3 base score is 6.1 out of 10.