XSS in Codepeople Appointment Booking Calendar

CVE-2020-9371

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.033 (88.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-9371: held from 0.036 to 0.033.

EPSS over last 30 days · oldest: 0.036 · newest: 0.033 · change: -0.003

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-9371?
CVE-2020-9371 is a medium-severity vulnerability in Codepeople Appointment Booking Calendar, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-03-04.
How severe is CVE-2020-9371?
Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2020-9371 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.