CVE-2021-24647
Pie Register < 3.7.1.6 - Unauthenticated Arbitrary Login
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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
- Record
CVE-2021-24647- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-287
- Updated
- 2026-11-02
CVE List No score
Pie Register < 3.7.1.6 - Unauthenticated Arbitrary Login
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
- Record
CVE-2021-24647- Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2021-11559 No score
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
- Record
EUVD-2021-11559- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-m4pp-cj4x-58f6 No score
The Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways,...
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
- Record
GHSA-m4pp-cj4x-58f6- Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Pie Register < 3.7.1.6 - Unauthenticated Arbitrary Login | |
| PoC in GitHub | RandomRobbieBF/CVE-2021-24647 | 2023-06-15 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24647 is a high vulnerability (CVSS 8.1) in Genetechsolutions Pie Register, published November 8, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 9.83%, the 95th percentile. No source names a fixed version.