What is CVE-2022-4136?

CVE-2022-4136 is a critical-severity vulnerability in Leadshop, classified under CWE-749. CVSS score: 9.8/10. Published 2022-11-24.

How severe is CVE-2022-4136?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Leadshop

CVE-2022-4136

Dangerous method exposed which can lead to RCE in qmpass/leadshop v1.4.15 allows an attacker to control the target host by calling any function in leadshop.php via the GET method.

Published 2022-11-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.001

Affected products

Leadshop — versions 1.4.15
Qmpaas Qmpaas/leadshop — versions unspecified

Weakness classification (CWE)

CWE-749

References

huntr.dev/bounties/fe418ae1-7c80-4d91-8a5a-923d60ba78c3 (Exploit, Patch, Third Party Advisory)
github.com/qmpaas/leadshop/commit/f27e9ca5c93eaadda1097396b65c234b16186d67 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-4136?: CVE-2022-4136 is a critical-severity vulnerability in Leadshop, classified under CWE-749. CVSS score: 9.8/10. Published 2022-11-24.
How severe is CVE-2022-4136?: Critical severity. CVSS v3 base score is 9.8 out of 10.