Security readout for executives and security teams
Plain-English summary
CVE-2022-2444 affects the WordPress Visualizer plugin through version 3.7.9. A logged-in user with Contributor or higher privileges may be able to abuse chart remote data handling to trigger unsafe PHP object deserialization. Successful abuse has prerequisites, including uploading a crafted file and a usable object chain.
Executive priority
Treat as high priority for WordPress estates using this plugin, especially multi-author or customer-facing sites. The issue is not reported as actively exploited in the provided sources, but impact can be severe if prerequisites are met.
Technical view
The issue is CWE-502 deserialization of untrusted input through the remote_data parameter. Sources describe PHAR wrapper use causing serialized metadata to be deserialized, potentially leading to confidentiality, integrity, and availability impact if a POP chain exists. The advisory rates it CVSS 8.8 High.
Likely exposure
Exposure is limited to WordPress sites running Visualizer: Tables and Charts Manager at version 3.7.9 or earlier, with authenticated users at Contributor level or above who can reach the vulnerable workflow.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. Exploitation is not described as unauthenticated; it requires at least Contributor privileges, successful malicious file upload, and a compatible PHP object chain.
Researcher notes
Focus review on remote_data handling and PHAR-related deserialization paths in Visualizer source and the 3.7.9 to 3.7.10 changes. Evidence supports authenticated Contributor-plus scope and prerequisite file upload; do not assume broader exploitation without new sources.
Mitigation direction
- Upgrade Visualizer beyond affected versions, using vendor guidance for the fixed release.
- Prioritize sites allowing Contributor or higher access to untrusted users.
- Review and reduce unnecessary Contributor, Author, and Editor accounts.
- If immediate upgrade is blocked, evaluate temporarily disabling the plugin.
- Monitor vendor and Wordfence advisories for additional remediation details.
Validation and detection
- Inventory WordPress sites using the Visualizer plugin.
- Confirm installed Visualizer versions are newer than 3.7.9.
- Review users with Contributor or higher roles on affected sites.
- Check upload history and chart remote-data activity for anomalies.
- Verify remediation through plugin version evidence after update.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-2444 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d9606d92-8061-4dfc-a6e2-509b54613277?source=cveCVE reference
- https://github.com/Codeinwp/visualizer/blob/master/classes/Visualizer/Source/Csv.phpCVE reference
- https://github.com/Codeinwp/visualizer/blob/master/classes/Visualizer/Module/Chart.php#L1115CVE reference
- https://github.com/Codeinwp/visualizer/compare/v3.7.9...v3.7.10CVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2752058%40visualizer&new=2752058%40visualizer&sfp_email=&sfph_mail=CVE reference
- https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2444CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
