Security readout for executives and security teams
Plain-English summary
A WordPress site using Muneeb's Custom Popup Builder plugin version 1.3.1 or older may let a Contributor-or-higher account store malicious script in popup content. That script can run later in another user's browser. The issue is medium severity because it requires an authenticated low-privilege account and user interaction, but it can affect confidentiality and integrity.
Executive priority
Treat as a targeted WordPress hygiene issue, not an emergency based on provided evidence. Prioritize sites with many content contributors, weak account controls, or public-facing WordPress administration.
Technical view
CVE-2022-28612 is an improper access control issue leading to multiple authenticated stored XSS flaws in the WordPress Custom Popup Builder plugin <= 1.3.1. CVSS 3.1 is 5.4: network reachable, low complexity, low privileges required, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is limited to WordPress installations running the m-wp-popup Custom Popup Builder plugin at version 1.3.1 or earlier, especially where Contributor or higher roles are assigned to untrusted or compromised users.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. Abuse requires an authenticated Contributor-or-higher account and a victim viewing affected stored content, so account hygiene and role assignments materially affect risk.
Researcher notes
Key constraints are authenticated access, Contributor-or-higher role, stored XSS, and user interaction. The source bundle identifies affected versions but does not provide exploit details, confirmed exploitation, or a specific fixed version, so remediation should be verified against current vendor guidance.
Mitigation direction
- Inventory WordPress sites for the m-wp-popup plugin and record installed versions.
- If version is <= 1.3.1, check vendor or Patchstack guidance for a fixed release.
- Disable or remove the plugin where no validated fixed version is available.
- Restrict Contributor-or-higher roles to trusted users until remediation is complete.
- Review popup content for unexpected scripts or unauthorized changes.
Validation and detection
- Confirm whether each WordPress site has the Custom Popup Builder plugin installed.
- Verify the installed plugin version is greater than 1.3.1 or otherwise remediated.
- Review WordPress users with Contributor, Author, Editor, or Administrator roles.
- Check audit logs and popup records for suspicious edits by low-privilege users.
- Confirm remediation status against CVE and Patchstack references.
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-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupCWE-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-2022-28612 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
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wordpress.org/plugins/m-wp-popup/CVE reference · x_refsource_CONFIRM
- https://patchstack.com/database/vulnerability/m-wp-popup/wordpress-custom-popup-builder-plugin-1-3-1-improper-access-control-vulnerability-leading-to-multiple-authenticated-stored-xssCVE reference · x_refsource_CONFIRM
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 Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
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.