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Flat Preloader vulnerabilities
Flat Preloader has 2 known vulnerabilities in this database. The most recent published record is dated 1 Nov 2021.
- Known vulnerabilities
- 2
- Active installs
- 3,000+
- Latest version
- 1.16.0
- Last updated
- 2 May 2023
- Most recent
- 1 Nov 2021
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site scripting (XSS) CVE-2021-24789 | Medium 4.8 | Before 1.5.5 | Fixed in 1.5.5 | 1 Nov 2021 |
| Cross-site scripting (XSS) CVE-2021-24685 | Medium 5.4 | Before 1.5.4 | Fixed in 1.5.4 | 1 Nov 2021 |
Read the published descriptions
- CVE-2021-24789, 1 Nov 2021
- 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 CVE record
- CVE-2021-24685, 1 Nov 2021
- 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) CVE record
What to do if you run Flat Preloader
If you run Flat Preloader, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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