CVE-2025-53242

CRITICAL

Published Nov 6, 2025 Modified Apr 15, 2026 CWE-502

Description

Deserialization of Untrusted Data vulnerability in VictorThemes Seil seil allows Object Injection.This issue affects Seil: from n/a through <= 1.7.1.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-502 Deserialization of Untrusted Data

References

Other References

https://patchstack.com/database/Wordpress/Theme/seil/vulnerability/wordpress-seil-theme-1-7-1-deserialization-of-untrusted-data-vulnerability?_s_id=cve

Frequently Asked Questions

What is CVE-2025-53242? +

Deserialization of Untrusted Data vulnerability in VictorThemes Seil seil allows Object Injection.This issue affects Seil: from n/a through <= 1.7.1. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-53242? +

CVE-2025-53242 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

How do I check if I'm vulnerable to CVE-2025-53242? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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