4.8

CVE-2020-9371: codepeople appointment_booking_calendar Cross-site Scripting

CVSS: 4.8v3.1MediumModified
Published 04-03-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-9371 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in codepeople appointment_booking_calendar. EPSS estimates a 3.30% chance of exploitation in the next 30 days, higher than 88.4% of scored vulnerabilities. 3 public exploits are recorded.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.1 (NVD)
EPSS score
3.30%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits3reference, exploit-database

Timeline

  1. 04-03-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress. In the cpabc_appointments.php file, the Calendar Name input could allow attackers to inject arbitrary JavaScript or HTML.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

3.30%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

0.00 pp

From 3.30% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

3 found
  • referenceUnverified

    Exploit Reference (drive.google.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databasephpUnverified

    WordPress Plugin Appointment Booking Calendar 1.3.34 - CSV Injection

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Codepeople1 product
Wordpress1 product
  • appointment-booking-calendar< 1.3.35

2 vendors · 2 products

References

6 links