CVE-2021-24684
PDF Light Viewer < 1.4.12 - Authenticated Command Injection
The WordPress PDF Light Viewer Plugin WordPress plugin before 1.4.12 allows users with Author roles to execute arbitrary OS command on the server via OS Command Injection when invoking Ghostscript.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The WordPress PDF Light Viewer Plugin WordPress plugin before 1.4.12 allows users with Author roles to execute arbitrary OS command on the server via OS Command Injection when invoking Ghostscript.
- Record
CVE-2021-24684- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/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-78
- Updated
- 2026-11-02
CVE List No score
PDF Light Viewer < 1.4.12 - Authenticated Command Injection
The WordPress PDF Light Viewer Plugin WordPress plugin before 1.4.12 allows users with Author roles to execute arbitrary OS command on the server via OS Command Injection when invoking Ghostscript.
- Record
CVE-2021-24684- Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2021-11596 No score
The WordPress PDF Light Viewer Plugin WordPress plugin before 1.4.12 allows users with Author roles to execute arbitrary OS command on the server via OS Command Injection when invoking Ghostscript.
- Record
EUVD-2021-11596- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-25m3-pw7x-34hv No score
The WordPress PDF Light Viewer Plugin WordPress plugin before 1.4.12 allows users with Author...
The WordPress PDF Light Viewer Plugin WordPress plugin before 1.4.12 allows users with Author roles to execute arbitrary OS command on the server via OS Command Injection when invoking Ghostscript.
- Record
GHSA-25m3-pw7x-34hv- Weakness
- CWE-77, CWE-78
- 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-2021-24684 is a high vulnerability (CVSS 8.8) in Unknown Wordpress Pdf Light Viewer Plugin, published October 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.27%, the 91st percentile. No source names a fixed version.