CVE-2021-25875

Name: CVE-2021-25875
Creator: NVD / NIST
Published: 2021-11-01T12:15:08.02+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2021-25875 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. AVideo/YouPHPTube AVideo/YouPHPTube 10.0 and prior has multiple reflected Cross Script Scripting vulnerabilities via the searchPhrase parameter which allows a remote attacker to steal administrators' session cookies or perform actions as an administrator.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

Description

AVideo/YouPHPTube AVideo/YouPHPTube 10.0 and prior has multiple reflected Cross Script Scripting vulnerabilities via the searchPhrase parameter which allows a remote attacker to steal administrators' session cookies or perform actions as an administrator.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.15%

62.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Youphptube	Youphptube	<= 10.0

References

http://avideoyouphptube.comBroken Link, Product, URL Repurposed
https://synacktiv.comProduct
https://www.synacktiv.com/sites/default/files/2021-01/YouPHPTube_Multiple_Vulnerabilities.pdfExploit, Vendor Advisory
http://avideoyouphptube.comBroken Link, Product, URL Repurposed
https://synacktiv.comProduct
https://www.synacktiv.com/sites/default/files/2021-01/YouPHPTube_Multiple_Vulnerabilities.pdfExploit, Vendor Advisory

Timeline

Published: Nov 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25875?

How severe is CVE-2021-25875?

CVE-2021-25875 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25875?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-25875?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST