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No exploitation reportedFix available

CVE-2021-24684

No exploitation reported by the sources we read.

  • Published2021-10-18
  • Fixed in1.4.12
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2021-10-1814:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-24684?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-24684?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Teamlead pdf-light-viewer
BranchAffectedFixed in
1.4< 1.4.121.4.12

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Teamlead pdf-light-viewer to 1.4.12

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.09read 2026-10-23
  • CNAweakness (CWE)CWE-78known since 2026-10-23
  • NVDweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score4.3 %2026-11-03

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2021-10-18
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is 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.

Is CVE-2021-24684 actively exploited?

Active exploitation of CVE-2021-24684 has not been confirmed. Its EPSS score was 4.3% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-24684?

CVE-2021-24684 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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