WordPress MC4WP plugin <= 4.9.9 - Broken Access Control vulnerability
Priority LOW 24CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Missing Authorization vulnerability in ibericode MC4WP.This issue affects MC4WP: from n/a through 4.9.9.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0045 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| dvankooten | MC4WP | up to 4.9.9 | — | No fix listed | CNA |
- MC4WP Vendordvankooten Affected up to 4.9.9 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibericode:mailchimp:*:*:*:*:*:wordpress:*:* | before 4.9.10 | Vulnerable | dvankooten |
- cpe:2.3:a:ibericode:mailchimp:*:*:*:*:*:wordpress:*:* Versions before 4.9.10 Vulnerable ·dvankooten
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-51682
- 2026-10-03 Alias added: GHSA-wxcg-26p8-gwp5
References
More dvankooten Mailchimp vulnerabilities
- TI-2024-08216 MC4WP: Mailchimp for WordPress 4.9.9 - 4.9.16 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
- TI-2023-15799 WordPress MailChimp Subscribe Forms Plugin <= 4.0.9.3 is vulnerable to Open Redirection CVSS 3.1MEDIUM 6.1
- TI-2024-08051 MailChimp for Wordpress <= 4.9.16 - Authenticated (Administrator+) Stored Cross-Site Scripting CVSS 3.1MEDIUM 5.5
Sources
- CVE-2023-51682 · CVE Program
- CVE-2023-51682 · NVD
- FIRST EPSS
- GHSA-wxcg-26p8-gwp5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences