XSS in Dwbooster Calendar Event Multi View
CVE-2021-24498
The Calendar Event Multi View WordPress plugin before 1.4.01 does not sanitise or escape the 'start' and 'end' GET parameters before outputting them in the page (via php/edit.php), leading to a reflected Cross-Site Scripting issue.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.035 (88.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Dwbooster Calendar Event Multi View
- Calendar Event Multi View — versions 1.4.01
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/3c5a5187-42b3-4f88-9b0e-4fdfa1c39e86 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24498?
- CVE-2021-24498 is a medium-severity vulnerability in Dwbooster Calendar Event Multi View, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-02.
- How severe is CVE-2021-24498?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-24498 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.