CVE-2021-24685

5.4 mediumEPSS 0.5%

Medium (5.4) in flat preloader project flat preloader. EPSS 0.5% chance of exploitation in the next 30 days.

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)

Severity

CVSS 3.1

5.4 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 43% of CVEs (scores of 2026-10-31)
CWEs: CWE-79, CWE-352
Published: 2021-11-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

flat_preloader_project:flat_preloader

References

https://wpscan.com/vulnerability/972ecde8-3d44-4dd9-81e3-643d8737434f
https://wpscan.com/vulnerability/972ecde8-3d44-4dd9-81e3-643d8737434f

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