What is CVE-2021-24684?

CVE-2021-24684 is a high-severity vulnerability in Teamlead Pdf-Light-Viewer, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-10-18.

How severe is CVE-2021-24684?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2021-24684 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Teamlead Pdf-Light-Viewer

CVE-2021-24684

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.

Vulnerability class: Command Injection (OS Command Injection)

Published 2021-10-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.043 (90.8th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000

Affected products

Teamlead Pdf-Light-Viewer
WordPress Pdf Light Viewer Plugin — versions 1.4.12

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/b5295bf9-8cf6-416e-b215-074742a5fc63 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-24684?: CVE-2021-24684 is a high-severity vulnerability in Teamlead Pdf-Light-Viewer, classified under OS Command Injection. CVSS score: 8.8/10. Published 2021-10-18.
How severe is CVE-2021-24684?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-24684 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.