What is CVE-2022-0689?

CVE-2022-0689 is a medium-severity vulnerability in Microweber, classified under CWE-840. CVSS score: 5.3/10. Published 2022-02-19.

How severe is CVE-2022-0689?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2022-0689 known to be exploited?

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

Vulnerability in Microweber

CVE-2022-0689

Use multiple time the one-time coupon in Packagist microweber/microweber prior to 1.2.11.

Published 2022-02-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Microweber
Microweber Microweber/microweber — versions unspecified

Weakness classification (CWE)

CWE-840

Public proof-of-concept exploits

References

huntr.dev/bounties/fa5dbbd3-97fe-41a9-8797-2e54d9a9c649 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/microweber/microweber/commit/c3c25ae6c421bb4a65df9e0035edcc2f75594a04 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0689?: CVE-2022-0689 is a medium-severity vulnerability in Microweber, classified under CWE-840. CVSS score: 5.3/10. Published 2022-02-19.
How severe is CVE-2022-0689?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2022-0689 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.