CVE-2022-3912: unknown user registration
CVSS: 8.8v3.1HighModified
Published 12-12-2022Last modified 22-04-2025
Vulnerability summary
CVE-2022-3912 is a high (CVSS 8.8) vulnerability in unknown user registration. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.1% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 2.2.41.
CVSS score
8.8/10
010
High · v3.1 (wordfence)EPSS score
0.78%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 12-12-2022PublishedVulnerability first disclosed.
- 22-04-2025Last modifiedVulnerability information updated.
Description
The User Registration WordPress plugin before 2.2.4.1 does not properly restrict the files to be uploaded via an AJAX action available to both unauthenticated and authenticated users, which could allow unauthenticated users to upload PHP files for example.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.8Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources3 sources · 7.5–8.8
- CVE.orgCNA7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NDiffers
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NDiffers
EPSS trend
Probability
0.78%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
+0.04 pp
From 0.74% on 20-09-2026
20-09-202620-10-2026
EPSS score0.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- user registration< 2.2.4.1
Wordpress1 product
- user-registration≤ 2.2.4 (fixed in 2.2.41)
Wpeverest1 product
- user_registration< 2.2.4.1
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/968c677c-1beb-459b-8fd1-7f70bcaa4f74ExploitVDB EntryTechnical DescriptionThird Party Advisory