Add User Autocomplete < 1.2 - Subscriber+ Privilege Escalation
Priority MEDIUM 40CWE-269Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-269.
Summary
The Add User Autocomplete WordPress plugin before 1.2 does not perform any capability or nonce check before creating a pending site-membership invitation carrying a caller-supplied role, allowing any authenticated user, such as a subscriber, to grant themselves the administrator role on a multisite installation.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00417 36th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Add User Autocomplete (Unknown): 1.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 | Add User Autocomplete | before 1.2 | 1.2 | Patch available | CNA |
- Add User Autocomplete VendorUnknown Affected before 1.2 Fixed in 1.2 Patch available CNA
Remediation
- Fix · CNA Add User Autocomplete (Unknown) Fixed in 1.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-87759
- 2026-10-03 Alias added: GHSA-2x96-8ghm-3875
References
Sources
- CVE-2026-87759 · CVE Program
- CVE-2026-87759 · NVD
- FIRST EPSS
- GHSA-2x96-8ghm-3875 · 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