CVE-2021-4354

HIGH 8.8

PWA for WP & AMP <= 1.7.32 - Arbitrary File Upload

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

The PWA for WP & AMP for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the pwaforwp_splashscreen_uploader function in versions up to, and including, 1.7.32. This makes it possible for authenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

CWE	CWE-434
Vendor	magazine3
Product	pwa for wp – progressive web apps made simple
Published	Jun 7, 2023
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

magazine3 / PWA for WP – Progressive Web Apps Made Simple

0 ≤ 1.7.32

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/6082791e-feac-41f7-b565-9d98624ddf50?source=cve blog.nintechnet.com: https://blog.nintechnet.com/wordpress-pwa-for-wp-and-amp-plugin-fixed-vulnerabilities/

Credits

Jerome Bruandet