Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-4520

18
FAUCET Score

CVE-2023-4520 describes a Stored Cross-Site Scripting (XSS) and Arbitrary Usermeta Update vulnerability in the FV Flowplayer Video Player plugin for WordPress, affecting versions up to and including 7.5.37.7212. The vulnerability, rated Medium severity (CVSS 6.1), allows unauthenticated attackers to inject malicious web scripts that execute when a user visits an affected page, and to arbitrarily update user metadata with string values. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, <= 7.5.37.7212CPE match
cpe:2.3:a:foliovision:fv_flowplayer_video_player:*:*:*:*:*:wordpress:*:*
<= 7.5.37.7212CPE matchmatch criteria
cpe:2.3:a:foliovision:fv_flowplayer_video_player:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 40th percentile among its peer group of 26,234 CVEs.

Social Chatter

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

plugins.trac.wordpress.org / browser/fv-wordpress-flowplayer/tags/7.5.36.7212/models/custom-videos.php
Product
plugins.trac.wordpress.org / changeset/2957322/fv-wordpress-flowplayer
Patch
wordfence.com / threat-intel/vulnerabilities/id/c55ca7d4-6bc0-49c9-8ce0-50fff8775a76
Third Party Advisory