Security readout for executives and security teams
Plain-English summary
CVE-2023-37977 affects the WPFunnels WordPress plugin at versions up to 2.7.16. A remote unauthenticated attacker may be able to trigger reflected JavaScript execution if a user interacts with malicious content. Business risk is highest for public WordPress sites using this plugin, especially where administrators or customers may follow untrusted links.
Executive priority
Treat as high priority where WPFunnels is deployed on public WordPress sites. It is not confirmed exploited in the supplied sources, but it can affect confidentiality, integrity, and availability with no attacker login required.
Technical view
The source bundle identifies an unauthenticated reflected XSS issue, CWE-79, in WPFunnels Team Drag & Drop Sales Funnel Builder for WordPress, package wpfunnels, <= 2.7.16. CVSS 3.1 is 7.1 with network attack vector, low complexity, no privileges required, user interaction required, and changed scope.
Likely exposure
Exposure is limited to WordPress installations running the WPFunnels plugin at or below 2.7.16. The provided sources do not identify other products or precise vulnerable routes.
Exploitation context
The bundle says KEV is false and provides no cited evidence of active exploitation. The CVSS vector requires user interaction, consistent with reflected XSS through a crafted interaction rather than automatic compromise.
Researcher notes
Evidence is sparse beyond classification, CVSS, and affected plugin/version boundary. Do not assume a patched version from the bundle. Research should focus on vendor advisory updates, exact affected endpoints, and safe validation methods without production exploit testing.
Mitigation direction
- Inventory WordPress sites for the WPFunnels plugin and installed version.
- Prioritize remediation for internet-facing sites running version 2.7.16 or older.
- Check WPFunnels or Patchstack guidance for a fixed version or vendor mitigation.
- Restrict WordPress admin access and monitor for suspicious plugin-related requests.
- Avoid clicking untrusted links while remediation status is unresolved.
Validation and detection
- Confirm whether WPFunnels is installed on each WordPress site.
- Record installed plugin versions and compare against <= 2.7.16.
- Review Patchstack and CVE records for updated remediation details.
- Use non-destructive security scanning in staging where possible.
- Check web logs for unusual requests involving WPFunnels parameters.
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-2023-37977 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
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/UI:R/S:C/C:L/I:L/A:L2.83.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/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.