Security readout for executives and security teams
Plain-English summary
A vulnerable WordPress Visitors plugin can let an unauthenticated visitor store script content through a spoofed HTTP header. That script can later run when someone views the plugin’s visitor page, creating risk to administrator sessions and site integrity.
Executive priority
Treat as a high-priority WordPress plugin exposure where the plugin is present. The main business risk is compromise of privileged browser sessions or administrative actions through stored script execution.
Technical view
CVE-2022-4541 is stored cross-site scripting in WordPress Visitors versions up to and including 1.0. The source attributes the flaw to insufficient sanitization and output escaping of an HTTP header value displayed on the nm_vistior page. CWE-79 applies; CVSS is 7.2 high.
Likely exposure
Exposure is limited to WordPress sites running the WordPress Visitors plugin at affected versions through 1.0. Risk is higher where privileged users access the plugin’s visitor reporting page.
Exploitation context
The source states unauthenticated attackers can inject arbitrary web scripts through a spoofed HTTP header. The bundle does not cite CISA KEV listing or other evidence of active exploitation.
Researcher notes
Evidence is narrow but consistent: the CVE description, Wordfence reference, and plugin source references point to header data stored and rendered without sufficient sanitization or escaping. No exploit-in-the-wild evidence is provided in the bundle.
Mitigation direction
- Inventory WordPress sites for the WordPress Visitors plugin and installed version.
- Check vendor or Wordfence guidance for a fixed version or official remediation.
- If no safe fixed release is available, disable or remove the plugin.
- Review affected sites for suspicious visitor records or unexpected script content.
- Limit access to WordPress administration and monitoring pages to trusted users.
Validation and detection
- Confirm whether the WordPress Visitors plugin is installed on each WordPress site.
- Verify the installed plugin version is not affected through version 1.0.
- Inspect the visitor page output for unescaped header-derived content.
- Review web and application logs for suspicious header values.
- Check whether administrators recently accessed the affected visitor page.
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-2022-4541 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
- High
- CVSS
- 7.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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:N/UI:N/S:C/C:L/I:L/A:N3.92.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
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.