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Public proof of concept

CVE-2018-20463

A public proof of concept exists; no exploitation attested.

  • Published2018-12-25
  • WeaknessCWE-22

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

An issue was discovered in the JSmol2WP plugin 1.07 for WordPress. There is an arbitrary file read vulnerability via ../ directory traversal in query=php://filter/resource= in the jsmol.php query string. This can also be used for SSRF.

Timeline

dates in UTC
  1. 2018-12-2521:29CVE 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-2018-20463?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-20463?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Jsmol2wp project jsmol2wp
BranchAffectedFixed in
1.7= 1.07no fix published

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

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedHenry4E36/CVE-2018-20463
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2018-12-25
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2018-20463?

An issue was discovered in the JSmol2WP plugin 1.07 for WordPress. There is an arbitrary file read vulnerability via ../ directory traversal in query=php://filter/resource= in the jsmol.php query string. This can also be used for SSRF.

Is CVE-2018-20463 actively exploited?

Active exploitation of CVE-2018-20463 has not been confirmed. Its EPSS score was 13.2% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20463?

CVE-2018-20463 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record