What is CVE-2023-4520?

CVE-2023-4520 is a medium-severity vulnerability in Foliovision Fv Flowplayer Video Player, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-08-25.

How severe is CVE-2023-4520?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-4520 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Foliovision Fv Flowplayer Video Player

CVE-2023-4520

The FV Flowplayer Video Player plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘_fv_player_user_video’ parameter saved via the 'save' function hooked via init, and the plugin is also vulnerable to Arbitrary Userme…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (77.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Foliovision Fv Flowplayer Video Player — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

Frequently asked questions

What is CVE-2023-4520?: CVE-2023-4520 is a medium-severity vulnerability in Foliovision Fv Flowplayer Video Player, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-08-25.
How severe is CVE-2023-4520?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-4520 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.