GutenKit 2.4.12 - 2.4.15 - Contributor+ Mailchimp Audience Data Disclosure
Priority LOW 13CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.
Summary
The GutenKit WordPress plugin before 2.5.0 does not have a sufficient capability check on some of its REST API endpoints, allowing users with the Contributor role and above to retrieve mailing-list audience metadata from the site's connected marketing account.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00299 22nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed GutenKit (Unknown): 2.5.0
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 |
|---|---|---|---|---|---|
| Unknown | GutenKit | 2.4.12 to before 2.5.0 | 2.5.0 | Patch available | CNA |
- GutenKit VendorUnknown Affected 2.4.12 to before 2.5.0 Fixed in 2.5.0 Patch available CNA
Remediation
- Fix · CNA GutenKit (Unknown) Fixed in 2.5.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
GutenKit 2.5.0
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-15982 GutenKit < 2.5.0 - Author+ Stored XSS via SVG UploadPriority LOW 32
Timeline
- 2026-10-02 Threatist record created from CVE-2026-19699
- 2026-10-03 Alias added: GHSA-hj3v-rcw6-wprx
References
Sources
- CVE-2026-19699 · CVE Program
- CVE-2026-19699 · NVD
- FIRST EPSS
- GHSA-hj3v-rcw6-wprx · 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