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CVE-2021-4369

18
FAUCET Score

CVE-2021-4369 describes an Unauthenticated Content Injection vulnerability in the Frontend File Manager plugin for WordPress, affecting versions up to and including 18.2. This flaw stems from insufficient authorization checks, allowing unauthenticated attackers to modify the titles and content of any page on a WordPress site. With a CVSS score of 5.3 (Medium), this vulnerability has a low attack complexity and can be exploited over the network without user interaction, leading to unauthorized content modification. There is currently no public exploit code available, nor is it listed on the KEV catalog, and it has received no significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 18.2CPE matchmatch criteria
cpe:2.3:a:najeebmedia:frontend_file_manager_plugin:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

5.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 33rd percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

blog.nintechnet.com / wordpress-frontend-file-manager-plugin-fixed-multiple-critical-vulnerabilities
Exploit
plugins.trac.wordpress.org / changeset
Patch
wordfence.com / threat-intel/vulnerabilities/id/c434e6b8-0dd5-4ffe-93b1-1af614c08f85
Third Party Advisory