What is CVE-2022-2444?

CVE-2022-2444 is a high-severity vulnerability in Themeisle Visualizer, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2022-07-18.

How severe is CVE-2022-2444?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2022-2444 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Themeisle Visualizer

CVE-2022-2444

The Visualizer: Tables and Charts Manager for WordPress plugin for WordPress is vulnerable to deserialization of untrusted input via the 'remote_data' parameter in versions up to, and including 3.7.9. This makes it possible for authenticated attackers with contributor privileges and above to call files using a PHAR wrapper that will deserialize the data and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.

Vulnerability class: Insecure Deserialization

Published 2022-07-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.9th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: -0.000

Affected products

Themeisle Visualizer
Themeisle Visualizer: Tables And Charts Manager For WordPress — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

20142995/nuclei-templates

References

www.wordfence.com/threat-intel/vulnerabilities/id/d9606d92-8061-4dfc-a6e2-509b5… (Third Party Advisory)
github.com/Codeinwp/visualizer/blob/master/classes/Visualizer/Source/Csv.php (Product)
github.com/Codeinwp/visualizer/blob/master/classes/Visualizer/Module/Chart.php (Product)
github.com/Codeinwp/visualizer/compare/v3.7.9...v3.7.10 (Patch)
plugins.trac.wordpress.org/changeset (Patch)
www.wordfence.com/vulnerability-advisories/ (Third Party Advisory)

Frequently asked questions

What is CVE-2022-2444?: CVE-2022-2444 is a high-severity vulnerability in Themeisle Visualizer, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2022-07-18.
How severe is CVE-2022-2444?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2022-2444 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.