6.1

CVE-2021-24498: dwbooster calendar_event_multi_view Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 02-08-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-24498 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in dwbooster calendar_event_multi_view. EPSS estimates a 3.54% chance of exploitation in the next 30 days, higher than 89.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
3.54%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 02-08-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

The Calendar Event Multi View WordPress plugin before 1.4.01 does not sanitise or escape the 'start' and 'end' GET parameters before outputting them in the page (via php/edit.php), leading to a reflected Cross-Site Scripting issue.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.54%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.54% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.54%

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

Dwbooster1 product
Unknown1 product
Wordpress1 product
  • cp-multi-view-calendar≤ 1.3.99 (fixed in 1.4.01)

3 vendors · 3 products

References

2 links