Security readout for executives and security teams
Plain-English summary
A WordPress plugin used with Elementor, HasThemes HT Mega, allowed unauthenticated privilege escalation through version 2.2.0. An outside attacker could gain elevated permissions without logging in, creating full site compromise risk. The CVSS score is 9.8, so affected WordPress sites should be handled urgently.
Executive priority
Treat this as urgent for any public WordPress property using HT Mega. The business risk is site takeover, content tampering, data exposure, and service disruption. Prioritize inventory and remediation before routine plugin maintenance.
Technical view
CVE-2023-37999 is CWE-269 Improper Privilege Management in HasThemes HT Mega, package ht-mega-for-elementor, affecting versions through 2.2.0. The CVSS vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating network reachability, no privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress installations using the HasThemes HT Mega plugin at version 2.2.0 or earlier. Internet-facing WordPress sites are the primary concern. The provided sources do not identify affected hosting platforms, configurations, or dependent products beyond the plugin itself.
Exploitation context
The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. However, the vulnerability is unauthenticated, low complexity, and privilege-escalating, making it high value if an affected site remains reachable.
Researcher notes
Sources establish affected versions through 2.2.0, CWE-269, and CVSS 9.8. They do not provide exploit mechanics, indicators of compromise, or a named fixed version in the supplied bundle. Validation should focus on plugin presence, version state, and evidence of unauthorized privilege changes.
Mitigation direction
- Inventory WordPress sites for HT Mega / ht-mega-for-elementor usage.
- Upgrade to a vendor-confirmed unaffected version if available.
- Disable or remove the plugin where remediation cannot be confirmed.
- Check HasThemes or Patchstack guidance for exact remediation details.
- Review administrator accounts and recent WordPress changes after exposure.
Validation and detection
- Confirm installed HT Mega versions across all WordPress properties.
- Flag any installation at version 2.2.0 or earlier.
- Verify the plugin is removed, disabled, or upgraded to an unaffected version.
- Review WordPress user lists for unexpected privileged accounts.
- Check logs for suspicious unauthenticated account or role 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-269: 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-37999 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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.
Improper Privilege Management
Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.