CVE-2021-25877
AVideo/YouPHPTube 10.0 and prior is affected by Insecure file write. An administrator privileged...
AVideo/YouPHPTube 10.0 and prior is affected by Insecure file write. An administrator privileged user is able to write files on filesystem using flag and code variables in file save.php.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
AVideo/YouPHPTube 10.0 and prior is affected by Insecure file write. An administrator privileged user is able to write files on filesystem using flag and code variables in file save.php.
- Record
CVE-2021-25877- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
AVideo/YouPHPTube 10.0 and prior is affected by Insecure file write. An administrator privileged user is able to write files on filesystem using flag and code variables in file save.php.
- Record
CVE-2021-25877- Updated
- 2026-11-02
EUVDEUVD-2021-12757 No score
AVideo/YouPHPTube 10.0 and prior is affected by Insecure file write. An administrator privileged user is able to write files on filesystem using flag and code variables in file save.php.
- Record
EUVD-2021-12757- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mjww-cghr-9678
AVideo/YouPHPTube 10.0 and prior is affected by Insecure file write. An administrator privileged...
AVideo/YouPHPTube 10.0 and prior is affected by Insecure file write. An administrator privileged user is able to write files on filesystem using flag and code variables in file save.php.
- Record
GHSA-mjww-cghr-9678- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94, CWE-732
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25877 is a high vulnerability (CVSS 7.2) in Youphptube, published November 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.59%, the 75th percentile. No source names a fixed version.