The REST API endpoint get_users in the User Profile Picture WordPress plugin before 2.5.0 returned more information than was required for its functionality to users with the upload_files capability. This included password hashes, hashed user activation keys, usernames, emails, and other less sensitive information.
Conclusion & alert: CVE-2021-24170 is rated High Exploit Risk (84.1/100): CVSS High severity, with high exploitation likelihood (EPSS 42.15%, 97th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +13.47% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-11 | 28.67% | 42.15% | +13.47% |
| 2 | 2025-11-21 | 31.30% | 28.67% | -2.62% |
| 3 | 2025-11-18 | — | 31.30% | — |
Full EPSS history (23 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cozmoslabs | user_profile_picture | < 2.5.0 | cpe:2.3:a:cozmoslabs:user_profile_picture:*:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/29fc5b0e-0a5f-4484-a1e6-a0a1206726cc | Exploit Third Party Advisory |
| https://www.wordfence.com/blog/2021/03/medium-severity-vulnerability-patched-in-user-profile-picture-plugin/ | Third Party Advisory |