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TI-2021-07141 Aliases CVE-2021-24859GHSA-m96c-8jmv-4r54

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

VendorProductAffected versionsFixed inStatusSource
UnknownUser meta shortcodes0.5 – 0.5—No fix listedCNA
  • User meta shortcodes VendorUnknown Affected 0.5 – 0.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:user_meta_shortcodes_project:user_meta_shortcodes:*:*:*:*:*:wordpress:*:*up to 0.5VulnerableUser 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

  1. 2026-10-02 Threatist record created from CVE-2021-24859
  2. 2026-10-03 Alias added: GHSA-m96c-8jmv-4r54

References

Sources