What is CVE-2021-25040?

CVE-2021-25040 is a medium-severity vulnerability in Booking_calendar_project Booking_calendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-01-03.

How severe is CVE-2021-25040?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-25040 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Booking_calendar_project Booking_calendar

CVE-2021-25040

The Booking Calendar WordPress plugin before 8.9.2 does not sanitise and escape the booking_type parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (52.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Booking_calendar_project Booking_calendar
Unknown Booking Calendar — versions 8.9.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-25040?: CVE-2021-25040 is a medium-severity vulnerability in Booking_calendar_project Booking_calendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-01-03.
How severe is CVE-2021-25040?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-25040 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.