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Review reviewHigh

CVE-2026-56037

Themify Themify Popup

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

CVSS
8.8
EPSS
0.31%
23.0% percentile
CISA KEV
Not listed
Published
2026.07.02
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.31%
Technical severityCVSS 8.8

Vulnerability overview

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

Affected product and versions

Product
Themify Themify Popup
Affected versions
See the vendor advisory and NVD configuration data
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Themify Themify Popup and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-502
CVE-2026-56037 — Themify Themify Popup | SECUFOCUS NOW