Security readout for executives and security teams
Plain-English summary
A logged-in attacker with low privileges may be able to delete files through the WordPress JVM rich text icons plugin. The reported impact is service disruption, not data theft. The sources identify affected versions through 1.2.6 but do not provide a confirmed fixed version.
Executive priority
Treat this as a high-priority WordPress availability risk where the plugin is installed. Prioritize internet-facing sites, business-critical sites, and sites with many authenticated users. If no fixed version is available, reduce exposure by removing or disabling the plugin where possible.
Technical view
CVE-2023-51418 is a missing authorization issue (CWE-862) in Joris van Montfort JVM rich text icons for WordPress. CVSS 3.1 is 7.7: network reachable, low complexity, low privileges required, no user interaction, changed scope, and high availability impact from arbitrary file deletion.
Likely exposure
Exposure is limited to WordPress sites running the JVM rich text icons plugin at version 1.2.6 or earlier. The CVSS vector indicates exploitation requires some authenticated privileges, so sites with many contributor-level or similar accounts may face higher practical risk.
Exploitation context
The provided bundle does not show CISA KEV listing or other evidence of active exploitation. Public sources describe the vulnerability class and impact, but the bundle does not include exploit maturity, attack volume, or a named patch.
Researcher notes
Key evidence is the CVSS vector and CWE-862 classification. The vulnerability is availability-focused arbitrary file deletion, with no confidentiality or integrity impact scored. The source bundle lacks patch status, exploit details, and affected CPE precision, so validation should start with direct plugin inventory.
Mitigation direction
- Inventory WordPress sites for JVM rich text icons version 1.2.6 or earlier.
- Check the plugin vendor, WordPress.org, or Patchstack for current remediation guidance.
- Disable or remove the plugin where it is not business-critical.
- Limit WordPress user accounts to trusted users with least privilege.
- Verify recent, restorable backups for affected WordPress sites.
Validation and detection
- Confirm whether the plugin is installed and record its exact version.
- Review WordPress users with low-level content or administrative access.
- Check file integrity, missing files, and availability-impacting changes on affected sites.
- Review web and WordPress logs for suspicious plugin-related actions.
- Validate backup restoration for affected site files before making changes.
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-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2023-51418 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
- 7.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/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:L/UI:N/S:C/C:N/I:N/A:H3.14Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.7HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
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.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.