Custom Add User <= 2.0.2 - Reflected Cross-Site Scripting
Priority MEDIUM 60CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Custom Add User WordPress plugin through 2.0.2 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00481 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 | Custom Add User | up to 2.0.2 | — | No fix listed | CNA |
- Custom Add User VendorUnknown Affected up to 2.0.2 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:add_user_project:add_user:*:*:*:*:*:wordpress:*:* | up to 2.0.2 | Vulnerable | Add User Project |
- cpe:2.3:a:add_user_project:add_user:*:*:*:*:*:wordpress:*:* Versions up to 2.0.2 Vulnerable ·Add User Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-0043
- 2026-10-03 Alias added: GHSA-w8v3-j4vv-3q42
References
Sources
- CVE-2023-0043 · CVE Program
- CVE-2023-0043 · NVD
- FIRST EPSS
- GHSA-w8v3-j4vv-3q42 · 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