CVE-2026-92435 json
Mailchimp for WooCommerce < 6.1.1 - Unauthenticated Broken Access Control in REST API
published 2026-09-19 51 d ago modified 2026-09-21 49 d ago also EUVD-2026-83517
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
Summary
The Mailchimp for WooCommerce WordPress plugin before 6.1.1 does not verify that the requesting user holds the required capability in the permission callback for several of its REST API routes, allowing unauthenticated users to reach administrator-oriented endpoints and trigger a persistent state change.
Patch / fix
- Unknown Mailchimp for WooCommerce 6.1.1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 51 d ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/4b3f9c83-8986-40d9-ab1a-848550ea7882/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected products
- Unknown Mailchimp for WooCommerce
Classification
- Weakness
-
- CWE-862 Missing Authorization
- Technology feeds
References
-
wpscan.com
/vulnerability/4b3f9c83-8986-40d9-ab1a-848550ea7882/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-92435
- NVD CVE-2026-92435
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.