CVE-2021-24684 json
PDF Light Viewer < 1.4.12 - Authenticated Command Injection
published 2021-10-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11596
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.3%
- EPSS 4.3% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- teamlead pdf-light-viewer 1.4.12
Exploit prediction
4.27% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/b5295bf9-8cf6-416e-b215-074742a5fc63 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Affected products
- Unknown WordPress PDF Light Viewer Plugin
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
- Technology feeds
References
-
wpscan.com
/vulnerability/b5295bf9-8cf6-416e-b215-074742a5fc63
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24684
- NVD CVE-2021-24684
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.