Advanced Booking Calendar <= 1.6.6 - Reflected Cross-Site Scripting via calId Parameter

2021-03-28 00:00

iohex

Strategic Overview

Status

Patched in 1.6.7

Affected PluginAdvanced Booking Calendar

Affected Version< 1.6.7

CVSS5.4Medium

CVECVE-2021-24225

View all Advanced Booking Calendar vulnerabilities

Vulnerability Overview

The Advanced Booking Calendar WordPress plugin before 1.6.7 did not sanitise the calId GET parameter in the "Seasons & Calendars" page before outputing it in an A tag, leading to a reflected XSS issue

Technical Analysis

REMEDIATION: Update to version 1.6.7, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24225 https://www.wordfence.com/threat-intel/vulnerabilities/id/0d20bae1-5a94-402b-9001-725b433c9d55

CVSS Vector

5.4

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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