CVE-2021-39350 json
FV Flowplayer Video Player <= 7.5.0.727 - 7.5.2.727 Reflected Cross-Site Scripting
published 2021-10-06 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-25711
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
2.25% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template FV Flowplayer Video Player WordPress plugin - Authenticated Cross-Site Scripting nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- FV Flowplayer Video Player FV Flowplayer Video Player
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset/2580834/fv-wordpress-flowplayer/trunk/view/stats.php
patch, third-party-advisory
-
wordfence.com
/vulnerability-advisories/#CVE-2021-39350
third-party-advisory
Sources
- CVE List CVE-2021-39350
- NVD CVE-2021-39350
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