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CVE-2023-4636

18
FAUCET Score

CVE-2023-4636 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the WordPress File Sharing Plugin (versions up to 2.0.3). This flaw allows authenticated administrators to inject malicious web scripts into pages due to insufficient input sanitization. The vulnerability has a CVSS score of 4.8 (Medium), indicating it requires high privileges and user interaction, and primarily impacts multi-site WordPress installations or those with unfiltered_html disabled. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0.3CPE matchmatch criteria
cpe:2.3:a:userprivatefiles:wordpress_file_sharing_plugin:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

4.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.88%
Probability of exploitation in next 30 days
EPSS Percentile
55.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0088 is in the 92nd percentile among its peer group of 4,931 CVEs.

Social Chatter

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

github.com / xsn1210/vul2/blob/main/xss%5BWordPressFile%5D%20.md
ExploitThird Party Advisory
plugins.trac.wordpress.org / changeset/2961909/user-private-files
Patch
wordfence.com / threat-intel/vulnerabilities/id/1df04293-87e9-4ab4-975d-54d36a993ab0
Third Party Advisory