XSS in Webnus Modern Events Calendar Lite
CVE-2021-25046
The Modern Events Calendar Lite WordPress plugin before 6.2.0 alloed any logged-in user, even a subscriber user, may add a category whose parameters are incorrectly escaped in the admin panel, leading to stored XSS.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.2% 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
- Webnus Modern Events Calendar Lite
- Modern Events Calendar Lite — versions 6.2.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/19c2f456-a41e-4755-912d-13683719bae6 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25046?
- CVE-2021-25046 is a medium-severity vulnerability in Webnus Modern Events Calendar Lite, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-01-17.
- How severe is CVE-2021-25046?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2021-25046 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.