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)
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: 0.012 (66.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
- Roundupwp Registrations For The Events Calendar
- Registrations For The Events Calendar – Event Registration Plugin — versions 2.7.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/e77c2493-993d-418d-9629-a1f07b5a2b6f (Exploit, Third Party Advisory)
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.