Auth bypass in Ninjaforms Ninja Forms
CVE-2021-24164
In the Ninja Forms Contact Form WordPress plugin before 3.4.34.1, low-level users, such as subscribers, were able to trigger the action, wp_ajax_nf_oauth, and retrieve the connection url needed to establish a connection. They could also retrieve the client_id for an already established OAuth connection.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (57.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Ninjaforms Ninja Forms
- Ninja Forms Contact Form – The Drag And Drop Builder For WordPress — versions 3.4.34.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/blog/2021/02/one-million-sites-affected-four-severe-vulnerabi… (Third Party Advisory)
- wpscan.com/vulnerability/dfa32afa-c6de-4237-a9f2-709843dcda89 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24164?
- CVE-2021-24164 is a medium-severity vulnerability in Ninjaforms Ninja Forms, classified under Information Disclosure. CVSS score: 4.3/10. Published 2021-04-05.
- How severe is CVE-2021-24164?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2021-24164 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.