CVE-2021-24574

Simple Banner <= 2.10.3 - Authenticated (Admin+) Stored Cross-Site Scripting

mediumImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

5.5

CVSS Score

5.5

CVSS Score

medium

Severity

2.10.4

Patched in

911d

Time to patch

Description

The Simple Banner WordPress plugin before 2.10.4 does not sanitise and escape one of its settings, allowing high privilege users such as admin to use Cross-Site Scripting payload even when the unfiltered_html capability is disallowed.

CVSS Vector Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Low

Confidentiality

Low

Integrity

None

Availability

Technical Details

Affected versions<=2.10.3

PublishedJuly 26, 2021

Last updatedJanuary 22, 2024

Affected pluginsimple-banner

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/b890d168-9ea7-49c0-b628-71c76c0c2c9c?source=api-prod

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