What is CVE-2023-50839?

CVE-2023-50839 is a critical-severity vulnerability in Js Help Desk – Best & Support Plugin, classified under SQL Injection. CVSS score: 9.3/10. Published 2023-12-28.

How severe is CVE-2023-50839?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Is CVE-2023-50839 known to be exploited?

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

SQL Injection in Js Help Desk – Best & Support Plugin

CVE-2023-50839

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in JS Help Desk JS Help Desk – Best Help Desk & Support Plugin.This issue affects JS Help Desk – Best Help Desk & Support Plugin: from n/a through 2.8.1.

Vulnerability class: SQL Injection

Published 2023-12-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L.

EPSS exploit prediction

EPSS: 0.020 (80.4th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

References

patchstack.com/database/vulnerability/js-support-ticket/wordpress-js-help-desk-… (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2023-50839?: CVE-2023-50839 is a critical-severity vulnerability in Js Help Desk – Best & Support Plugin, classified under SQL Injection. CVSS score: 9.3/10. Published 2023-12-28.
How severe is CVE-2023-50839?: Critical severity. CVSS v3 base score is 9.3 out of 10.
Is CVE-2023-50839 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.