Security readout for executives and security teams
Plain-English summary
WordPress sites using ThemeXpert Xpert Tab through version 1.3 may allow stored cross-site scripting. Malicious script could be saved into site content and run when another user views it. This can affect confidentiality, integrity, and availability at a limited level, especially for logged-in site users.
Executive priority
Treat as a moderate web application risk. Prioritize internet-facing WordPress sites, especially where many users can create content or where administrators view user-supplied content in the dashboard.
Technical view
CVE-2025-46542 is CWE-79 stored XSS in ThemeXpert Xpert Tab for WordPress, affecting versions up to and including 1.3. CVSS 3.1 is 6.5: network exploitable, low complexity, low privileges required, user interaction required, changed scope, and low CIA impact.
Likely exposure
Public WordPress sites are exposed if they have the Xpert Tab plugin installed at version 1.3 or older. The bundle does not identify affected roles, install base, or default vulnerable configurations.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The CVSS vector indicates an attacker needs some privileges and a victim interaction path, consistent with stored XSS viewed by another user.
Researcher notes
Evidence is limited to the CVE entry, CVE List JSON, and Patchstack advisory reference. No exploit details, patch version, or active exploitation claim is provided in the bundle, so remediation should be anchored to current vendor guidance.
Mitigation direction
- Identify WordPress sites running Xpert Tab version 1.3 or older.
- Check ThemeXpert or Patchstack guidance for an updated or fixed release.
- Disable or remove Xpert Tab where it is not business-critical.
- Restrict plugin administration and content editing to trusted users.
- Review recent content changes for suspicious embedded script behavior.
Validation and detection
- Inventory WordPress plugins and confirm the installed Xpert Tab version.
- Check whether any public or authenticated pages render Xpert Tab content.
- Review WordPress users with permissions to create or edit affected content.
- Look for unexpected scripts in content, tab configuration, or plugin-managed fields.
- Confirm remediation against vendor or Patchstack guidance before closing.
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-2025-46542 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.