core/lib/upload/um-file-upload.php in the UltimateMember plugin 2.0 for WordPress has a…
Priority LOW 30CWE-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 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
core/lib/upload/um-file-upload.php in the UltimateMember plugin 2.0 for WordPress has a cross-site scripting vulnerability because it fails to properly sanitize user input passed to the $temp variable.
Why it matters now
EPSS 0.01183 67th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ultimatemember:ultimate_member:2.0:*:*:*:*:wordpress:*:* | 2.0 | Vulnerable | ultimatemember |
- cpe:2.3:a:ultimatemember:ultimate_member:2.0:*:*:*:*:wordpress:*:* Versions 2.0 Vulnerable ·ultimatemember
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-6944
- 2026-10-03 Alias added: GHSA-4mpm-x94p-9r6f
References
More ultimatemember Ultimate Member vulnerabilities
- TI-2024-00992 SQL injection in ultimatemember Ultimate Member – User Profile, Registration, Login… CVSS 3.1CRITICAL 9.8
- TI-2023-03232 Ultimate Member < 2.6.7 - Unauthenticated Privilege Escalation CVSS 3.1CRITICAL 9.8
- TI-2024-01973 Ultimate Member <= 2.8.3 - Unauthenticated Stored Cross-Site Scripting CVSS 3.1HIGH 7.2
- TI-2020-18475 An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka… CVSS 3.1CRITICAL 10.0
- TI-2020-18477 An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka… CVSS 3.1CRITICAL 10.0
- TI-2020-18476 An issue was discovered in the Ultimate Member plugin before 2.1.12 for WordPress, aka… CVSS 3.1CRITICAL 9.9
Sources
- CVE-2018-6944 · CVE Program
- CVE-2018-6944 · NVD
- FIRST EPSS
- GHSA-4mpm-x94p-9r6f · 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