XSS in E-Dynamics Events Made Easy
CVE-2021-24813
The Events Made Easy WordPress plugin before 2.2.24 does not sanitise and escape Custom Field Names, allowing high privilege users to perform Cross-Site Scripting attacks 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: 0.007 (51.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- E-Dynamics Events Made Easy
- Events Made Easy — versions 2.2.24
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/a1fe0783-7a88-4d75-967f-cef970b73752 (Exploit, Third Party Advisory)
- plugins.trac.wordpress.org/changeset/2607749/ (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24813?
- CVE-2021-24813 is a medium-severity vulnerability in E-Dynamics Events Made Easy, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-11-01.
- How severe is CVE-2021-24813?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-24813 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.