What is CVE-2022-0282?

CVE-2022-0282 is a medium-severity vulnerability in Microweber, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2022-01-20.

How severe is CVE-2022-0282?

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

Is CVE-2022-0282 known to be exploited?

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

XSS in Microweber

CVE-2022-0282

Cross-site Scripting in Packagist microweber/microweber prior to 1.2.11.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-01-20 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.014 (71.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Microweber
Microweber Microweber/microweber — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

huntr.dev/bounties/8815b642-bd9b-4737-951b-bde7319faedd (Exploit, Third Party Advisory)
github.com/microweber/microweber/commit/51b5a4e3ef01e587797c0109159a8ad9d2bac77a (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0282?: CVE-2022-0282 is a medium-severity vulnerability in Microweber, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2022-01-20.
How severe is CVE-2022-0282?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2022-0282 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.