What is CVE-2022-3206?

CVE-2022-3206 is a medium-severity vulnerability in Passster Project, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2022-10-17.

How severe is CVE-2022-3206?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2022-3206 known to be exploited?

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

Vulnerability in Passster Project

CVE-2022-3206

The Passster WordPress plugin before 3.5.5.5.2 stores the password inside a cookie named "passster" using base64 encoding method which is easy to decode. This puts the password at risk in case the cookies get leaked.

Published 2022-10-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (40.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Passster Project
Passster — versions 0

Weakness classification (CWE)

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/a8963750-62bf-403e-a906-94f371ed2a7a (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2022-3206?: CVE-2022-3206 is a medium-severity vulnerability in Passster Project, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.9/10. Published 2022-10-17.
How severe is CVE-2022-3206?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2022-3206 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.