Import and export users and customers < 2.4.2 - Custom Role Privilege Escalation to Administrator via CSV Import
Priority HIGH 80CWE-269Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-269.
Summary
The Import and export users and customers WordPress plugin before 2.4.2 does not enforce WordPress's role-assignment and per-user edit permissions during CSV import, allowing a user holding only the user-creation capability to create an administrator account and to overwrite an existing administrator's password or email.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00404 34th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Import and export users and customers (Unknown): 2.4.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- 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 | Import and export users and customers | before 2.4.2 | 2.4.2 | Patch available | CNA |
- Import and export users and customers VendorUnknown Affected before 2.4.2 Fixed in 2.4.2 Patch available CNA
Remediation
- Fix · CNA Import and export users and customers (Unknown) Fixed in 2.4.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16534
- 2026-10-03 Alias added: GHSA-xw98-5fp3-v7vg
References
Sources
- CVE-2026-16534 · CVE Program
- CVE-2026-16534 · NVD
- FIRST EPSS
- GHSA-xw98-5fp3-v7vg · 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