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CVE-2021-4449

43
FAUCET Score

CVE-2021-4449 describes an arbitrary file upload vulnerability in the ZoomSounds plugin for WordPress, affecting versions up to and including 5.96. This critical flaw (CVSS 9.8) stems from a lack of file type validation in the 'savepng.php' file, allowing unauthenticated attackers to upload malicious files. Successful exploitation could lead to remote code execution, compromising the affected website. While no active exploitation or Metasploit modules are reported, Nuclei templates exist, and the vulnerability has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.96CPE matchmatch criteria
cpe:2.3:a:digitalzoomstudio:zoomsounds:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.44%
Probability of exploitation in next 30 days
EPSS Percentile
91.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-4449 · Nov 11, 2025
This CVE's current EPSS score of 0.0544 is in the 86th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

codecanyon.net / item/zoomsounds-wordpress-wave-audio-player-with-playlist/6181433
Product
github.com / 0xAgun/Arbitrary-File-Upload-ZoomSounds
Third Party Advisory
ithemes.com / blog/wordpress-vulnerability-report-june-2021-part-5
Third Party Advisory
sploitus.com / exploit
Exploit
wpscan.com / vulnerability/07259a61-8ba9-4dd0-8d52-cc1df389c0ad
ExploitThird Party Advisory
wordfence.com / threat-intel/vulnerabilities/id/262e3bb3-bc83-4d0b-8056-9f94ec141b8f
Third Party Advisory