CVE-2021-25083: roundupwp registrations_for_the_events_calendar Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 24-01-2022Last modified 03-08-2024
Vulnerability summary
CVE-2021-25083 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in roundupwp registrations_for_the_events_calendar. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 58.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
0.89%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 24-01-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The Registrations for the Events Calendar WordPress plugin before 2.7.10 does not escape the qtype parameter before outputting it back in an attribute in the settings page, leading to a Reflected Cross-Site Scripting
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.89%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
0.00 pp
From 0.89% on 20-09-2026
20-09-202620-10-2026
EPSS score0.89%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Roundupwp1 product
Unknown1 product
- registrations for the events calendar – event registration plugin≥ 2.7.10, < 2.7.10
Wordpress1 product
- registrations-for-the-events-calendar< 2.7.10
3 vendors · 3 products
References
3 links- wpscan.com/vulnerability/9b69544d-6a08-4757-901b-6ccf1cd00eccX Refsource MISCExploitThird Party Advisory