Cyber Resilience

CVE-2025-39404

Medium

Published: 24 April 2025

Published
24 April 2025
Modified
23 April 2026
KEV Added
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Patch
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CVSS Score v3.1 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
EPSS Score 0.0018 39.2th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-39404 is a medium-severity Open Redirect (CWE-601) vulnerability. Its CVSS base score is 4.7 (Medium).

Operationally, ranked at the 39.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Heateor Support Sassy Social Share sassy-social-share allows Phishing.This issue affects Sassy Social Share: from n/a through <= 3.3.73.

CWE(s)
CWE-601

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AT-2 Literacy Training and Awareness
addresses: CWE-601

Security awareness includes verifying URLs and avoiding untrusted redirects that lead to malicious sites.

SI-10 Information Input Validation
addresses: CWE-601

Validates redirect targets and URLs to ensure they conform to allowed destinations.

References