XSS in Roundupwp Registrations For The Events Calendar
CVE-2021-24876
The Registrations for the Events Calendar WordPress plugin before 2.7.5 does not escape the v parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.012 (64.1th percentile) — read the EPSS interpretation.
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.
Affected products
- Roundupwp Registrations_for_the_events_calendar
- Unknown Registrations For The Events Calendar – Event Registration Plugin — versions 2.7.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-24876?
- CVE-2021-24876 is a medium-severity vulnerability in Roundupwp Registrations For The Events Calendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-11-29.
- How severe is CVE-2021-24876?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-24876 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.