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Exploitation reportedNot in CISA KEV yetFix available

CVE-2021-24170

Exploitation reported by one source. First attested on 2021-03-03 by GCVE · kevintel.

  • Published2021-04-05
  • Fixed in2.5.0
  • WeaknessCWE-200

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2021-03-0306:33Listed as exploited by GCVEGCVE
  2. 2021-03-0306:33Exploitation first reportedGCVE
  3. 2021-04-0519:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-24170?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-24170?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Cozmoslabs user profile picture
BranchAffectedFixed in
2.5< 2.5.02.5.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Cozmoslabs user profile picture to 2.5.0

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • GCVEexploitation2021-03-03
  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-200known since 2026-10-23
  • NVDweakness (CWE)CWE-200read 2026-10-23
  • FIRST EPSSEPSS score5.6 %2026-11-03
  • ProjectDiscoverydetectionread 2026-11-02

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2021-04-05
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-24170?

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.

Is CVE-2021-24170 actively exploited?

Active exploitation of CVE-2021-24170 has not been confirmed. Its EPSS score was 5.6% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-24170?

CVE-2021-24170 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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