What is CVE-2022-0596?

CVE-2022-0596 is a medium-severity vulnerability in Microweber, classified under Improper Validation of Specified Quantity in Input. CVSS score: 4.3/10. Published 2022-02-15.

How severe is CVE-2022-0596?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Microweber

CVE-2022-0596

Improper Validation of Specified Quantity in Input in Packagist microweber/microweber prior to 1.2.11.

Published 2022-02-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Microweber
Microweber Microweber/microweber — versions unspecified

Weakness classification (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

huntr.dev/bounties/f68b994e-2b8b-49f5-af2a-8cd99e8048a5 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/microweber/microweber/commit/91a9d899741557c75050614ff7adb8c0e3feb005 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0596?: CVE-2022-0596 is a medium-severity vulnerability in Microweber, classified under Improper Validation of Specified Quantity in Input. CVSS score: 4.3/10. Published 2022-02-15.
How severe is CVE-2022-0596?: Medium severity. CVSS v3 base score is 4.3 out of 10.