CVE-2021-25024: theeventscalendar eventcalendar Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 17-01-2022Last modified 03-08-2024
Vulnerability summary
CVE-2021-25024 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in theeventscalendar eventcalendar. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 56.2% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
0.81%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 17-01-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The EventCalendar WordPress plugin before 1.1.51 does not escape some user input before outputting it back in attributes, leading to Reflected Cross-SIte Scripting issues
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
0.81%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
0.00 pp
From 0.81% on 20-09-2026
20-09-202620-10-2026
EPSS score0.81%
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
Theeventscalendar1 product
- eventcalendar< 1.1.51
Unknown1 product
- eventcalendar≥ 1.1.51, < 1.1.51
Wordpress1 product
- event-calendar-wd≤ 1.1.50 (fixed in 1.1.51)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/08864b76-d898-4dfe-970d-d7cc1b1115a7X Refsource MISCExploitThird Party Advisory