CVE-2026-87759 json
Add User Autocomplete < 1.2 - Subscriber+ Privilege Escalation
published 2026-09-12 58 d ago modified 2026-09-14 55 d ago also EUVD-2026-76798
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known
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.
Patch / fix
- Unknown Add User Autocomplete 1.2
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 57 d ago
Exploit prediction
0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/41020730-c79a-43b4-a902-3a34fdca90d6/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Unknown Add User Autocomplete
Classification
- Weakness
-
- CWE-269 Improper Privilege Management
- Technology feeds
References
-
wpscan.com
/vulnerability/41020730-c79a-43b4-a902-3a34fdca90d6/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-87759
- NVD CVE-2026-87759
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.