Modern Events Calendar Lite <= 6.1.6 - Subscriber+ Category Add Leading to Stored Cross-Site Scripting

2021-12-03 00:00

Krzysztof Zając

Strategic Overview

Status

Patched in 6.2.0

Affected PluginModern Events Calendar Lite

Affected Version<= 6.1.6

CVSS5.4Medium

CVECVE-2021-25046

View all Modern Events Calendar Lite vulnerabilities

Vulnerability Overview

The Modern Events Calendar Lite WordPress plugin before 6.2.0 alloed any logged-in user, even a subscriber user, may add a category whose parameters are incorrectly escaped in the admin panel, leading to stored XSS.

Technical Analysis

REMEDIATION: Update to version 6.2.0, 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-2021-25046 https://www.wordfence.com/threat-intel/vulnerabilities/id/32aa1fdc-2fca-4486-b704-eabe4668361e

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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