What is CVE-2021-4354?

CVE-2021-4354 is a high-severity vulnerability in Magazine3 Pwa For Wp \& Amp, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-06-07.

How severe is CVE-2021-4354?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-4354 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Magazine3 Pwa For Wp \& Amp

CVE-2021-4354

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.018 (76.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Magazine3 Pwa_for_wp_\&_amp
Magazine3 Pwa For Wp – Progressive Web Apps Made Simple — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

20142995/nuclei-templates

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-4354?: CVE-2021-4354 is a high-severity vulnerability in Magazine3 Pwa For Wp \& Amp, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-06-07.
How severe is CVE-2021-4354?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-4354 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.