XSS in Vfbpro Visual Form Builder
CVE-2021-24514
The Visual Form Builder WordPress plugin before 3.0.4 does not sanitise or escape its Form Name, allowing high privilege users such as admin to set Cross-Site Scripting payload in them, even when the unfiltered_html capability is disallowed
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 (47.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.6% 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
- Vfbpro Visual Form Builder
- Visual Form Builder — versions 3.0.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/0afa78d3-2403-4e0c-8f16-5b7874b03cd2 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24514?
- CVE-2021-24514 is a medium-severity vulnerability in Vfbpro Visual Form Builder, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-10-25.
- How severe is CVE-2021-24514?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-24514 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.