XSS in Ninjaforms Ninja Forms
CVE-2023-5530
The Ninja Forms Contact Form WordPress plugin before 3.6.34 does not sanitize and escape its label fields, which could allow high privilege users such as admin to perform Stored XSS attacks. Only users with the unfiltered_html capability can perform this, and such users are already allowed to use JS in posts/comments etc however the vendor acknowledged and fixed the issue
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Ninjaforms Ninja Forms
- Ninja Forms Contact Form — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/a642f313-cc3e-4d75-b207-1dceb6a7fbae (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)
- ninjaforms.com/blog/saturday-drive-x-edition/ (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-5530?
- CVE-2023-5530 is a medium-severity vulnerability in Ninjaforms Ninja Forms, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-11-06.
- How severe is CVE-2023-5530?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2023-5530 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.