Security readout for executives and security teams
Plain-English summary
CVE-2023-36505 affects the WordPress Ninja Forms Contact Form plugin through version 3.6.24. A highly privileged attacker could abuse improper input validation to delete arbitrary files, creating outage or site integrity risk. This is not listed in CISA KEV, and the provided sources do not show active exploitation.
Executive priority
Treat as a moderate-priority remediation item. It is not KEV-listed and requires high privileges, but arbitrary file deletion can still cause downtime or recovery costs if an administrator account is compromised.
Technical view
The issue is CWE-20 improper input validation leading to arbitrary file deletion in Saturday Drive Ninja Forms Contact Form. CVSS 3.1 is 6.8: network reachable, low complexity, high privileges required, no user interaction, changed scope, and high availability impact.
Likely exposure
Exposure is limited to WordPress sites running Ninja Forms Contact Form versions through 3.6.24. Risk is higher where many administrators exist, privileged accounts are weakly controlled, or backups and file integrity monitoring are poor.
Exploitation context
The CVSS vector indicates exploitation requires high privileges, so this is not described as unauthenticated mass exploitation. The bundle marks KEV as false and provides no cited evidence of in-the-wild exploitation.
Researcher notes
Available evidence identifies the affected plugin range and impact class, but does not include root-cause code details, exploit prerequisites beyond CVSS, fixed-version text, or observed exploitation. Avoid assuming broader WordPress impact outside Ninja Forms Contact Form through 3.6.24.
Mitigation direction
- Inventory WordPress sites using Ninja Forms Contact Form.
- Update affected installations if vendor or Patchstack guidance identifies a fixed release.
- Disable or remove Ninja Forms <= 3.6.24 where immediate updating is unavailable.
- Limit WordPress administrator access to trusted, MFA-protected accounts.
- Maintain recent recoverable backups for WordPress files and uploads.
Validation and detection
- Confirm each WordPress site's installed Ninja Forms version.
- Flag any Ninja Forms Contact Form installation at or below 3.6.24.
- Review privileged WordPress accounts for unnecessary administrator access.
- Check file integrity, backups, and recent unexpected deletions.
- Track vendor and Patchstack advisories for confirmed fixed-version details.
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-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-36505 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
- 6.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
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:H/UI:N/S:C/C:N/I:N/A:H2.34Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.8MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
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 Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.