Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in a WordPress popup plugin. A logged-in user with contributor-level access or higher could place unsafe content that later runs in another user’s browser. Business risk is moderate because it requires an account, but compromised or over-permissioned contributors can still affect site integrity and users.
Executive priority
Treat as a targeted website integrity risk, not a critical internet-wide emergency. Prioritize sites where non-staff users can contribute content, where contributor accounts are weakly protected, or where the site handles customer trust, forms, or brand-sensitive interactions.
Technical view
CVE-2023-24003 is CWE-79 stored XSS in Timersys WP Popups – WordPress Popup builder, reported for versions up to 2.1.4.8. The CVSS 3.1 score is 6.5 with low attack complexity, low privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to WordPress sites using WP Popups – WordPress Popup builder at version 2.1.4.8 or earlier, especially where contributor-level or higher accounts are available to untrusted users or could be compromised.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Exploitation would require authenticated contributor-or-higher access and victim interaction, consistent with stored XSS impact rather than unauthenticated mass compromise.
Researcher notes
Evidence is limited to the CVE record and Patchstack vulnerability entry in the provided bundle. No exploit code, active exploitation, or explicit fixed version is included here. Validation should focus on plugin presence, version, role exposure, and stored content review without assuming unavailable remediation details.
Mitigation direction
- Check vendor and Patchstack guidance for a fixed supported plugin release.
- Upgrade or disable the plugin if a vulnerable version is present.
- Limit contributor-or-higher WordPress roles to trusted users only.
- Review existing popup content for unexpected script or markup.
- Remove stale accounts and enforce strong authentication for content roles.
Validation and detection
- Inventory WordPress sites using the WP Popups plugin.
- Confirm installed plugin versions against the affected range.
- Review WordPress users with contributor-level or higher permissions.
- Inspect recent popup changes for suspicious stored content.
- Check security telemetry for unusual admin or content-editing activity.
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-2023-24003 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
- 6.5 (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:L
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:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source materials
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.