6.1

CVE-2021-24925: unknown modern events calendar lite Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 13-12-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-24925 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in unknown modern events calendar lite. EPSS estimates a 0.82% chance of exploitation in the next 30 days, higher than 56.5% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 6.1.5.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
0.82%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 13-12-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

The Modern Events Calendar Lite WordPress plugin before 6.1.5 does not sanitise and escape the current_month_divider parameter of its mec_list_load_more AJAX call (available to both unauthenticated and authenticated users) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.82%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

+0.03 pp

From 0.80% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.82%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Unknown1 product
Webnus1 product
Wordpress1 product
  • modern-events-calendar-lite≤ 6.1.0 (fixed in 6.1.5)

3 vendors · 3 products

References

2 links