WordPress security records

WordPress Vulnerability Listing

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Dataset last synchronized: 2026-08-03 00:31:25 UTC

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2 vulnerability records

MediumCVE-2021-24789

Flat Preloader < 1.5.5 - Stored Cross-Site Scripting

Flat Preloader: Currently marked unpatched

Affected versions: [*, 1.5.5)

Vulnerability type: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected software, patched versions and attribution

The Flat Preloader WordPress plugin before 1.5.5 does not escape some of its settings when outputting them in attribute in the frontend, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed.

Flat Preloader

Affected versions: [*, 1.5.5)

Patched versions: 1.5.5

Researcher credit: apple502j

Applicable copyright and licence notices

This record contains material that is subject to copyright

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

Licence reference

This record contains material that is subject to copyright

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Licence reference

Original Wordfence record

Published: September 28, 2021
CVSS: 5.5

MediumCVE-2021-24685

Flat Preloader <= 1.5.0 - Cross-Site Request Forgery to Stored Cross-Site Scripting

Flat Preloader: Currently marked unpatched

Affected versions: [*, 1.5.4)

Vulnerability type: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected software, patched versions and attribution

The Flat Preloader WordPress plugin before 1.5.4 does not enforce nonce checks when saving its settings, as well as does not sanitise and escape them, which could allow attackers to a make logged in admin change them with a Cross-Site Scripting payload (triggered either in the frontend or backend depending on the payload)

Flat Preloader

Affected versions: [*, 1.5.4)

Patched versions: 1.5.4

Researcher credit: apple502j

Applicable copyright and licence notices

This record contains material that is subject to copyright

Licence reference

This record contains material that is subject to copyright

Licence reference

Original Wordfence record

Published: September 28, 2021
CVSS: 5.4

Vulnerability data: Wordfence Intelligence. Analysis and practical guidance: 3Zero Digital.

Data Source, Attribution and Methodology

Production Feed records are aggregated without claiming discovery, exploitation or infection. Applicable source notices remain attached to individual records. Read the methodology.