CVE-2021-39350: foliovision fv flowplayer video player Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 06-10-2021Last modified 14-02-2025
Vulnerability summary
CVE-2021-39350 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in foliovision fv flowplayer video player. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities. Fixed in 7.5.3.727.
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)EPSS score
2.25%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-10-2021PublishedVulnerability first disclosed.
- 14-02-2025Last modifiedVulnerability information updated.
Description
The FV Flowplayer Video Player WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the player_id parameter found in the ~/view/stats.php file which allows attackers to inject arbitrary web scripts, in versions 7.5.0.727 - 7.5.2.727.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 3 agree
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
2.25%
Chance of exploitation in the next 30 days
Percentile
83%
Versus all other CVEs
30-day change
0.00 pp
From 2.25% on 20-09-2026
20-09-202620-10-2026
EPSS score2.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Foliovision1 product
- fv flowplayer video player≥ 7.5.0.727, ≤ 7.5.2.727
Fv flowplayer video player1 product
- fv flowplayer video player7.5.0.727 - 7.5.2.727 7.5.2.727
Wordpress1 product
- fv-wordpress-flowplayer≥ 7.5.0.727, ≤ 7.5.2.727 (fixed in 7.5.3.727)
3 vendors · 3 products
References
3 links- plugins.trac.wordpress.org/changeset/2580834/fv-wordpress-flowplayer/trunk/view/stats.phpX Refsource MISCPatchThird Party Advisory