CVE-2020-9371

Appointment Booking Calendar vulnerability

CVSS

4.8

EPSS

3.6%

EPSS pct

88th

Exploited

No known

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.

Affected vendor

Codepeople

Affected product

Appointment Booking Calendar

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2020-03-04

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 3.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2020-9371

Confirm whether Codepeople Appointment Booking Calendar is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-9371.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-9371

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-9371 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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