CVE-2021-4449

ZoomSounds <= 5.96 - Unauthenticated Arbitrary File Upload

The ZoomSounds plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'savepng.php' file in versions up to, and including, 5.96. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Affected

ZoomIt · ZoomSounds - WordPress Wave Audio Player with Playlist

CVSS v3.1 WORDFENCE

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

EPSS

5.39% chance of exploitation in the next 30 days, 93rd percentile

Nuclei

critical · CWE-434

Published

2024-10-16

Updated

2026-04-08

Proof-of-concept exploits (2)

• https://wpscan.com/vulnerability/07259a61-8ba9-4dd0-8d52-cc1df389c0ad
• https://sploitus.com/exploit?id=WPEX-ID:07259A61-8BA9-4DD0-8D52-CC1DF389C0AD

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-4449.yaml

Security advisories

• 0xAgun/Arbitrary-File-Upload-ZoomSounds
• https://ithemes.com/blog/wordpress-vulnerability-report-june-2021-part-5/#ib-toc-anchor-2
• https://www.wordfence.com/threat-intel/vulnerabilities/id/262e3bb3-bc83-4d0b-8056-9f94ec1…
• https://codecanyon.net/item/zoomsounds-wordpress-wave-audio-player-with-playlist/6181433

References

• CVE Record
• NVD entry