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CVE-2021-4354

27
FAUCET Score

CVE-2021-4354 describes an arbitrary file upload vulnerability in the PWA for WP & AMP WordPress plugin, affecting versions up to and including 1.7.32. This flaw, stemming from missing file type validation, allows authenticated attackers to upload malicious files, potentially leading to remote code execution. With a CVSS score of 8.8 (High), the vulnerability is easily exploitable over the network with low privileges and no user interaction, posing a significant risk of complete compromise. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, the high FAUCET Risk Score of 79/100 indicates its potential severity.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.7.33CPE matchmatch criteria
cpe:2.3:a:magazine3:pwa_for_wp_\&_amp:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.82%
Probability of exploitation in next 30 days
EPSS Percentile
76.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0182 is in the 75th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.nintechnet.com / wordpress-pwa-for-wp-and-amp-plugin-fixed-vulnerabilities
ExploitThird Party Advisory
wordfence.com / threat-intel/vulnerabilities/id/6082791e-feac-41f7-b565-9d98624ddf50
Third Party Advisory