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CVE-2021-24311

27
FAUCET Score

CVE-2021-24311 describes an arbitrary file upload vulnerability affecting the External Media WordPress plugin prior to version 1.0.34. This flaw allows any authenticated user to upload malicious files via the wp_ajax_upload-remote-file AJAX action. Rated with a CVSS score of 8.8 (High), this vulnerability has a network attack vector and low attack complexity, enabling high impact on confidentiality, integrity, and availability. The EPSS score is low, indicating a low probability of exploitation. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. The vulnerability has received minimal community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.34CPE matchmatch criteria
cpe:2.3:a:external_media_project:external_media:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.77%
Probability of exploitation in next 30 days
EPSS Percentile
75.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0177 is in the 74th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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/4fb90999-6f91-4200-a0cc-bfe9b34a5de9
ExploitThird Party Advisory
wordfence.com / blog/2021/05/critical-vulnerability-patched-in-external-media-plugin
ExploitThird Party Advisory