What is CVE-2021-36847?

CVE-2021-36847 is a medium-severity vulnerability in Webba-Booking Webba Booking, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-08-22.

How severe is CVE-2021-36847?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2021-36847 known to be exploited?

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

XSS in Webba-Booking Webba Booking

CVE-2021-36847

Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WebbaPlugins Webba Booking plugin <= 4.2.21 at WordPress.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (39.5th percentile) — read the EPSS interpretation.

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.

Affected products

Webba-booking Webba_booking
Webbaplugins Webba Booking (Wordpress Plugin) — versions <= 4.2.21

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

audit@patchstack.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
audit@patchstack.com (x_refsource_CONFIRM, Product, Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2021-36847?: CVE-2021-36847 is a medium-severity vulnerability in Webba-Booking Webba Booking, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-08-22.
How severe is CVE-2021-36847?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-36847 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.