PWA for WP & AMP <= 1.7.32 - Arbitrary File Upload
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
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4354
- 2026-10-03 Alias added: GHSA-w75r-hmw9-3gxm
References
More magazine3 Pwa For Wp & Amp vulnerabilities
- 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
- CVE-2021-4354 · CVE Program
- CVE-2021-4354 · NVD
- FIRST EPSS
- GHSA-w75r-hmw9-3gxm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences