CVE-2021-24491
Fileviewer <= 2.2 - Arbitrary File Upload/Deletion via CSRF
The Fileviewer WordPress plugin through 2.2 does not have CSRF checks in place when performing actions such as upload and delete files. As a result, attackers could make a logged in administrator delete and upload arbitrary files via a CSRF attack
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The Fileviewer WordPress plugin through 2.2 does not have CSRF checks in place when performing actions such as upload and delete files. As a result, attackers could make a logged in administrator delete and upload arbitrary files via a CSRF attack
- Record
CVE-2021-24491- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE ListNo score
Fileviewer <= 2.2 - Arbitrary File Upload/Deletion via CSRF
The Fileviewer WordPress plugin through 2.2 does not have CSRF checks in place when performing actions such as upload and delete files. As a result, attackers could make a logged in administrator delete and upload arbitrary files via a CSRF attack
- Record
CVE-2021-24491- Weakness
- CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2021-11403No score
The Fileviewer WordPress plugin through 2.2 does not have CSRF checks in place when performing actions such as upload and delete files. As a result, attackers could make a logged in administrator delete and upload arbitrary files via a CSRF attack
- Record
EUVD-2021-11403- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cmgq-6hm8-g996No score
The Fileviewer WordPress plugin through 2.2 does not have CSRF checks in place when performing...
The Fileviewer WordPress plugin through 2.2 does not have CSRF checks in place when performing actions such as upload and delete files. As a result, attackers could make a logged in administrator delete and upload arbitrary files via a CSRF attack
- Record
GHSA-cmgq-6hm8-g996- Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24491 is a high vulnerability (CVSS 8.8) in Fileviewer Project Fileviewer, published September 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 54th percentile. No source names a fixed version.