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CVE-2021-4457

24
FAUCET Score

CVE-2021-4457 describes a critical arbitrary file upload vulnerability in the ZoomSounds plugin, affecting versions prior to 6.05. This flaw allows unauthenticated attackers to upload any file to the web server, posing a significant risk of remote code execution and full system compromise. With a CVSS score of 9.1 (CRITICAL), the vulnerability is easily exploitable over the network with low complexity and no user interaction required, leading to high impact on confidentiality and integrity. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.05CPE matchmatch criteria
cpe:2.3:a:digitalzoomstudio:zoomsounds:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 8th percentile among its peer group of 36,833 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

wpscan.com / vulnerability/07259a61-8ba9-4dd0-8d52-cc1df389c0ad
ExploitThird Party Advisory