Security readout for executives and security teams
Plain-English summary
CVE-2022-2542 affects the WordPress plugin uContext for Clickbank through version 3.9.1. A malicious site or link could abuse an administrator’s logged-in session to change plugin settings and store malicious script. Business risk is highest for WordPress sites still running this plugin and exposed admin users.
Executive priority
Treat this as a high-priority WordPress plugin issue for any site using the affected plugin. It needs prompt inventory and remediation because successful abuse could compromise visitor trust and administrator-managed site content.
Technical view
The issue is CSRF leading to stored XSS. Sources attribute it to missing nonce validation in app/sites/ajax/actions/keyword_save.php, called through doAjax() in the plugin’s AJAX handling. The CVSS 3.1 score is 8.8 high, with no privileges required but user interaction required.
Likely exposure
Exposure is likely limited to WordPress installations with uContext for Clickbank version 3.9.1 or earlier installed and administrators who can be socially engineered while authenticated.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The attack requires tricking a site administrator into an action such as clicking a link, after which plugin settings could be altered to store script.
Researcher notes
Evidence supports CSRF to stored XSS caused by missing nonce validation in keyword_save.php via doAjax(). The bundle does not provide a named fixed version, patch diff, proof of exploitation, or KEV confirmation, so remediation should be tied to vendor-confirmed guidance.
Mitigation direction
- Inventory WordPress sites for uContext for Clickbank installations and versions.
- Check vendor or Wordfence guidance for a fixed release before relying on upgrade claims.
- Disable or remove the plugin where it is unused or cannot be confirmed fixed.
- Review plugin settings and rendered pages for unexpected script injection.
- Limit administrator exposure to untrusted links while remediation is pending.
Validation and detection
- Confirm whether uContext for Clickbank is installed and at version 3.9.1 or earlier.
- Review the plugin code or vendor release for nonce validation on the affected AJAX path.
- Check administrative logs for unexpected plugin setting changes.
- Inspect affected site pages for unfamiliar scripts or unauthorized content changes.
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-352: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2022-2542 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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:N/UI:R/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:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4af83d4b-2eae-481f-b3fd-d5bcacc1d709?source=cveCVE reference
- https://plugins.trac.wordpress.org/browser/ucontext/trunk/app/Ucontext_Ajax.phpCVE reference
- https://plugins.trac.wordpress.org/browser/ucontext/trunk/app/sites/ajax/actions/keyword_save.phpCVE reference
- https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2542CVE 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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.