CVE-2021-34621
CriticalExploitedPublic exploit.
Published Jul 7, 2021 · Updated Nov 21, 2024 · Also known as 71955ba0-42ba-49a1-8b91-81069c6132ea
Key Facts
Patch immediately- CVE-2021-34621 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting ProfilePress (Properfraction), wp-user-avatar (wordpress-plugin).
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jun 28, 2021. Public exploit code is available.
- EPSS estimates a 69% probability of exploitation in the next 30 days.
- Fixed versions are available, including ProfilePress <=3.1.3, wp-user-avatar 3.1.4, ProfilePress 3.1.3.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
69%
Higher than 99.3% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2021-34621 brief as a PDF
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Description
A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator. This issue affects versions 3.0.0 - 3.1.3. .
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Feb 3, 2023 | n/a | Not reported |
| CIRCL KEV | Jun 28, 2021 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
3 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ProfilePressProperfraction | >= 3.0.0 - 3.1.3 | 3.1.3 |
| wp-user-avatarwordpress-plugin | >= 3.0.0 | 3.1.4 |
Patched Releases
ProfilePress
<=3.1.3
wp-user-avatar
3.1.4
Timeline
Added to CIRCL KEV
Jun 28, 2021
Publicly disclosed
Jul 7, 2021
Added to Industry KEV feed
Feb 3, 2023
Last updated
Nov 21, 2024
Weakness Type
- CWE-269 Improper Privilege Management
- CWE-306 Missing Authentication for Critical Function
References
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/71955ba0-42ba-49a1-8b91-81069c6132ea?source=api-prod
- advisoryhttps://www.wordfence.com/threat-intel/vulnerabilities/id/71955ba0-42ba-49a1-8b91-81069c6132ea?source=api-scan
- exploithttp://packetstormsecurity.com/files/163973/WordPress-ProfilePress-3.1.3-Privilege-Escalation.html
- exploitExploitDB-50242
- exploithttps://www.wordfence.com/blog/2021/06/easily-exploitable-critical-vulnerabilities-patched-in-profilepress-plugin/
FAQ
Common Questions.
A vulnerability in the user registration component found in the ~/src/Classes/RegistrationAuth.php file of the ProfilePress WordPress plugin made it possible for users to register on sites as an administrator.
Affected: ProfilePress (Properfraction) versions >= 3.0.0 - 3.1.3; wp-user-avatar (wordpress-plugin) versions >= 3.0.0. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Jun 28, 2021.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including ProfilePress <=3.1.3, wp-user-avatar 3.1.4, ProfilePress 3.1.3.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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