Weekly Schedule <= 3.4.2 - Stored Cross-Site Scripting

2021-05-12 00:00

Viktor Markopoulos

Strategic Overview

Status

Patched in 3.4.3

Affected PluginWeekly Schedule

Affected Version< 3.4.3

CVSS6.1Medium

CVECVE-2021-24309

View all Weekly Schedule vulnerabilities

Vulnerability Overview

The "Schedule Name" input in the Weekly Schedule WordPress plugin before 3.4.3 general options did not properly sanitize input, allowing a user to inject javascript code using the <script> HTML tags and cause a stored XSS issue.

Technical Analysis

REMEDIATION: Update to version 3.4.3, 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-2021-24309 https://www.wordfence.com/threat-intel/vulnerabilities/id/94f03821-eb33-4eb6-b7ff-b32a74facdd2

CVSS Vector

6.1

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

Base

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

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