High severity · published Jun 7, 2023
CVE-2021-4354
PWA for WP & AMP <= 1.7.32 - Arbitrary File Upload
8.8
CVSS
1.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
PWA for WP – Progressive Web Apps Made Simple · magazine3
through 1.7.32 · source: vendor
PF
Pwa For WP & Amp · Magazine3
before 1.7.33 · source: NVD
Affected product
PF
PWA for WP – Progressive Web Apps Made Simple
magazine3
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-4354
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-4354
Exploit
https://blog.nintechnet.com/wordpress-pwa-for-wp-and-amp-plugin-fixed-vulnerabilities/
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/6082791e-feac-41f7-b565-9d98624ddf50?source=cve
More from PWA for WP – Progressive Web Apps Made Simple
4.3
CVE-2021-4366
PWA for WP & AMP < = 1.7.32 - Missing Authorization