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Public proof of conceptFix available

CVE-2021-24647

A public proof of concept exists; no exploitation attested.

  • Published2021-11-08
  • Fixed in3.7.1.6
  • WeaknessCWE-287

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 Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes WordPress plugin before 3.1.7.6 has a flaw in the social login implementation, allowing unauthenticated attacker to login as any user on the site by only knowing their user ID or username

Timeline

dates in UTC
  1. 2021-11-0818:15CVE 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-2021-24647?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-24647?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Genetechsolutions pie register
BranchAffectedFixed in
3.7< 3.7.1.63.7.1.6

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

Fix

  1. Update Genetechsolutions pie register to 3.7.1.6

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedRandomRobbieBF/CVE-2021-24647
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-11-08
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2021-24647?

The Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes WordPress plugin before 3.1.7.6 has a flaw in the social login implementation, allowing unauthenticated attacker to login as any user on the site by only knowing their user ID or username

Is CVE-2021-24647 actively exploited?

Active exploitation of CVE-2021-24647 has not been confirmed. Its EPSS score was 9.8% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-24647?

CVE-2021-24647 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record