CVE-2021-36847

WordPress Webba Booking plugin <= 4.2.21 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability

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Published Aug 22, 2022 CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

WebbaPlugins

Webba Booking (WordPress plugin)

affected

Version	Status	Constraints
`<= 4.2.21`	affected	≤ 4.2.21

Configuration 1 [-]

cpe:2.3:a:webba-booking:webba_booking:*:*:*:*:*:wordpress:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update to 4.2.22 or higher version.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-23423	Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WebbaPlugins Webba Booking plugin <= 4.2.21 at WordPress.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.622% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://patchstack.com/database/vulnerability/webba-booking-lite/wordpress-webba-booking-plugin-4-2-21-authenticated-stored-cross-site-scripting-xss-vulnerability
https://wordpress.org/plugins/webba-booking-lite/#developers

History

Feb 20, 2025 9:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Webba-booking Webba Booking

Weaknesses

CWE-79

Sources

CVE record Updated: Apr 28, 2026, 4:07 PM

Status: PUBLISHED
Assigner: Patchstack
Published: Aug 22, 2022, 2:44 PM
Updated: Apr 28, 2026, 4:07 PM
Reserved: Jul 19, 2021, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 1:01 AM

Updated: Aug 4, 2024, 1:01 AM

NVD Updated: Jun 17, 2026, 3:59 AM

Status: Modified
Published: Aug 22, 2022, 3:15 PM
Modified: Jun 17, 2026, 3:59 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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