User Meta Shortcodes <= 0.5 - Contributor+ Unauthorized Arbitrary User Metadata Access
Priority LOW 22CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
The User Meta Shortcodes WordPress plugin through 0.5 registers a shortcode that allows any user with a role as low as contributor to access other users metadata by specifying the user login as a parameter. This makes the WP instance vulnerable to data extrafiltration, including password hashes
Why it matters now
EPSS 0.00809 57th 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 |
|---|---|---|---|---|---|
| Unknown | User meta shortcodes | 0.5 – 0.5 | — | No fix listed | CNA |
- User meta shortcodes VendorUnknown Affected 0.5 – 0.5 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:user_meta_shortcodes_project:user_meta_shortcodes:*:*:*:*:*:wordpress:*:* | up to 0.5 | Vulnerable | User Meta Shortcodes Project |
- cpe:2.3:a:user_meta_shortcodes_project:user_meta_shortcodes:*:*:*:*:*:wordpress:*:* Versions up to 0.5 Vulnerable ·User Meta Shortcodes Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24859
- 2026-10-03 Alias added: GHSA-m96c-8jmv-4r54
References
Sources
- CVE-2021-24859 · CVE Program
- CVE-2021-24859 · NVD
- FIRST EPSS
- GHSA-m96c-8jmv-4r54 · GitHub Advisory Database · CC BY 4.0
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