Security readout for executives and security teams
Plain-English summary
CVE-2023-39309 is a high-severity authenticated SQL injection issue in ThemeFusion Fusion Builder, also referenced as WordPress Avada Builder, through version 3.11.1. A logged-in user could potentially read sensitive database information and cause limited availability impact. The provided sources do not establish active exploitation.
Executive priority
Treat this as a high-priority WordPress plugin remediation item, especially on customer-facing sites or sites with many user accounts. It is not KEV-listed in the supplied data, but potential database exposure makes prompt inventory and update decisions important.
Technical view
The CVE records CWE-89 SQL injection with CVSS 8.5: network-accessible, low attack complexity, low privileges required, no user interaction, changed scope, high confidentiality impact, no integrity impact, and low availability impact. Affected scope is Fusion Builder through 3.11.1; no exploit details or fixed release are included in the supplied bundle.
Likely exposure
Exposure is likely limited to WordPress environments using ThemeFusion Fusion Builder or Avada Builder through version 3.11.1. The issue requires an authenticated account, so public registration, broad contributor access, compromised users, or shared admin workflows increase concern.
Exploitation context
The supplied data says KEV is false and provides no evidence of active exploitation. Authentication is required, but the attack is network-accessible and low complexity, making it relevant where untrusted or weakly controlled WordPress users exist.
Researcher notes
Evidence is limited to CVE metadata and the Patchstack vulnerability entry. Do not assume unauthenticated exploitation, active exploitation, or a specific fixed version from the supplied bundle. Focus validation on affected plugin presence, version confirmation, authentication boundaries, and vendor-advised remediation.
Mitigation direction
- Inventory WordPress sites for Fusion Builder or Avada Builder versions through 3.11.1.
- Check ThemeFusion, Avada, WordPress, or Patchstack guidance for the fixed version.
- Update affected plugin installations following vendor guidance.
- Restrict or remove unneeded WordPress user accounts until remediation is complete.
- Review database and web logs for suspicious authenticated activity.
Validation and detection
- Confirm installed Fusion Builder or Avada Builder version on each WordPress site.
- Verify no affected versions through 3.11.1 remain after remediation.
- Confirm user registration and low-privilege account access are appropriately restricted.
- Review security logs for unusual authenticated database-related errors or requests.
- Document any exception where vendor guidance is unavailable or pending.
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-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-39309 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
- 8.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/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:L/UI:N/S:C/C:H/I:N/A:L3.14.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.5HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/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.