Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in the WP Page Builder WordPress plugin. A user with author-level or higher access could save malicious script content that later runs when another user views affected content. The business risk is account misuse, content tampering, or limited data exposure inside the WordPress admin or site context.
Executive priority
Treat this as a moderate-priority web application risk. Prioritize multi-author WordPress sites, externally managed sites, and environments where author accounts are broadly granted or not actively reviewed.
Technical view
CVE-2022-40963 affects Themeum WP Page Builder versions up to 1.2.6. It is classified as CWE-79 stored XSS with CVSS 3.1 score 4.8. The vector requires network access, low attack complexity, high privileges, and user interaction, with changed scope and low confidentiality and integrity impact.
Likely exposure
Exposure is most likely on WordPress sites running WP Page Builder <= 1.2.6, especially sites with multiple author-level users or weak author account controls.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires authenticated author-or-higher access and another user interacting with affected stored content.
Researcher notes
Evidence identifies multiple authenticated stored XSS vulnerabilities but does not include detailed affected parameters, exploit maturity, or a named fixed version. Avoid assuming unauthenticated exposure or active exploitation without additional vendor or threat intelligence confirmation.
Mitigation direction
- Inventory WordPress sites for the WP Page Builder plugin and installed version.
- Check Themeum, WordPress.org, or Patchstack guidance for a fixed or supported version.
- Upgrade, disable, or remove affected plugin versions after staging validation.
- Restrict author-level access to trusted users only.
- Review compromised or unused WordPress author accounts and revoke access.
Validation and detection
- Confirm whether WP Page Builder is installed and whether its version is <= 1.2.6.
- Review WordPress users with author-level or higher permissions.
- Inspect recent page builder content changes from author-level accounts.
- After remediation, verify the plugin version or removal state in WordPress admin.
- Monitor security logs for suspicious authenticated 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-79: 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-2022-40963 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
- Medium
- CVSS
- 4.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
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:H/UI:R/S:C/C:L/I:L/A:N1.72.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.8MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.