Vulnerability in Webnus Modern Events Calendar Lite
CVE-2023-1400
The Modern Events Calendar Lite WordPress plugin before 6.5.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
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: 0.005 (40.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Webnus Modern Events Calendar Lite
- Modern Events Calendar Lite — versions 0
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/c7feceef-28f1-4cac-b124-4b95e3f17b07 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2023-1400?
- CVE-2023-1400 is a medium-severity vulnerability in Webnus Modern Events Calendar Lite, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 4.8/10. Published 2023-03-27.
- How severe is CVE-2023-1400?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2023-1400 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.