Security readout for executives and security teams
Plain-English summary
A vulnerable WordPress plugin can be abused through CSRF to activate plugins without intended authorization. The business risk is unauthorized site configuration change, not data theft or outage according to the published CVSS impact. Evidence only covers HasThemes Extensions For CF7 through 2.0.8.
Executive priority
Handle in normal WordPress maintenance unless the plugin is present on sensitive or externally important sites. Prioritize confirmed installations because the impact is configuration integrity, and active exploitation is not supported by the supplied sources.
Technical view
CVE-2023-23899 is a CWE-352 CSRF issue in HasThemes Extensions For CF7, package extensions-for-cf7, reported for versions <= 2.0.8. The stated outcome is arbitrary plugin activation. CVSS 3.1 is 4.3: network exploitable, low complexity, no privileges, user interaction required, low integrity impact only.
Likely exposure
Exposure appears limited to WordPress sites running HasThemes Extensions For CF7 at version 2.0.8 or earlier. The source bundle does not identify affected CPEs, other products, or a specific fixed version.
Exploitation context
The CVSS vector requires user interaction and no attacker privileges. The bundle does not cite active exploitation, and KEV is false. Treat exploitation as plausible for exposed WordPress admin workflows, but not confirmed in the provided evidence.
Researcher notes
Do not broaden scope beyond HasThemes Extensions For CF7 <= 2.0.8. The available evidence names arbitrary plugin activation but does not provide a fixed version, patch details, proof of exploitation, or affected CPE mappings.
Mitigation direction
- Inventory WordPress sites for the extensions-for-cf7 plugin.
- Check vendor or Patchstack guidance for a fixed release.
- Update only to a vendor-supported non-vulnerable version.
- Disable or remove the plugin where it is not required.
- Limit WordPress admin access to trusted users.
Validation and detection
- Confirm whether Extensions For CF7 is installed.
- Record installed plugin versions across WordPress sites.
- Flag any installation at version 2.0.8 or earlier.
- Review admin logs for unexpected plugin activation.
- Document remediation status and remaining exceptions.
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-352: 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 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-2023-23899 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
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:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.