CVE-2026-56037

HIGH 8.8

WordPress Themify Popup plugin <= 1.4.3 - PHP Object Injection vulnerability

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

Deserialization of Untrusted Data vulnerability in Themify Themify Popup allows Object Injection. This issue affects Themify Popup: from n/a through 1.4.3.

CWE	CWE-502
Vendor	themify
Product	themify popup
Published	Jul 2, 2026
Last Updated	Jul 2, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Themify / Themify Popup

n/a ≤ 1.4.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/themify-popup/vulnerability/wordpress-themify-popup-plugin-1-4-3-php-object-injection-vulnerability?_s_id=cve

Credits

0xd4rk5id3 | Patchstack Bug Bounty Program