What is CVE-2022-0506?

CVE-2022-0506 is a medium-severity vulnerability in Microweber, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-02-08.

How severe is CVE-2022-0506?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Microweber

CVE-2022-0506

Cross-site Scripting (XSS) - Stored in Packagist microweber/microweber prior to 1.2.11.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-02-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.2% 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-79 — Cross-site Scripting

References

huntr.dev/bounties/0a5ec24c-343e-4cc4-b27b-2beb19a1c35f (Exploit, Patch, Third Party Advisory)
github.com/microweber/microweber/commit/05d55f2befb1b25375ca5371875ff535d6cc5f70 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0506?: CVE-2022-0506 is a medium-severity vulnerability in Microweber, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-02-08.
How severe is CVE-2022-0506?: Medium severity. CVSS v3 base score is 5.4 out of 10.