Multiple Insecure Direct Object Reference vulnerabilities in…
Priority LOW 28CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-639.
Summary
Multiple Insecure Direct Object Reference vulnerabilities in includes/core/class-files.php in the Ultimate Member plugin through 2.1.2 for WordPress allow remote attackers to change other users' profiles and cover photos via a modified user_id parameter. This is related to ajax_image_upload and ajax_resize_image.
Why it matters now
EPSS 0.02168 82nd percentileScored 2026-11-07
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:*:*:*:*:*:wordpress:*:* | up to 2.1.2 | Vulnerable | ultimatemember |
- cpe:2.3:a:ultimatemember:ultimate_member:*:*:*:*:*:wordpress:*:* Versions up to 2.1.2 Vulnerable ·ultimatemember
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-6859
- 2026-10-03 Alias added: GHSA-w3cg-3g94-p782
References
Patch 1
Advisory 4
- https://wordpress.org/plugins/ultimate-member/#developers
- https://github.com/ultimatemember/ultimatemember/blob/627bbb0fae81ac34c60b43f0867eadcf8e1bc523/includes/core/class-files.php#L310
- https://github.com/ultimatemember/ultimatemember/blob/627bbb0fae81ac34c60b43f0867eadcf8e1bc523/includes/core/class-files.php#L269
- https://wpvulndb.com/vulnerabilities/10041
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-2020-6859 · CVE Program
- CVE-2020-6859 · NVD
- FIRST EPSS
- GHSA-w3cg-3g94-p782 · GitHub Advisory Database · CC BY 4.0
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