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TI-2021-03211 Aliases CVE-2021-4354GHSA-w75r-hmw9-3gxm

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

Priority MEDIUM 44CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01802 78th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
magazine3PWA for WP – Progressive Web Apps Made Simpleup to 1.7.32—No fix listedCNA
  • PWA for WP – Progressive Web Apps Made Simple Vendormagazine3 Affected up to 1.7.32 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:magazine3:pwa_for_wp_\&_amp:*:*:*:*:*:wordpress:*:*before 1.7.33Vulnerablemagazine3
  • cpe:2.3:a:magazine3:pwa_for_wp_\&_amp:*:*:*:*:*:wordpress:*:* Versions before 1.7.33 Vulnerable ·magazine3

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-4354
  2. 2026-10-03 Alias added: GHSA-w75r-hmw9-3gxm

References

  • TI-2024-07193 PWA For WP & AMP < 1.7.72 Administrator+ Stored XSS CVSS 3.1MEDIUM 4.8
  • TI-2024-31636 WordPress PWA for WP & AMP plugin <= 1.7.72 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
  • TI-2021-03223 PWA for WP & AMP < = 1.7.32 - Missing Authorization CVSS 3.1MEDIUM 6.3

Sources