CVE-2022-3206: The Passster WordPress plugin before 3.5.5.5.2 stores the password inside a cookie named "passster" using base

Q: How do I fix CVE-2022-3206?

passster: upgrade to 3.5.5.5.2. Exact commands for each OS are on this page.

Q: Is CVE-2022-3206 being exploited?

CVE-2022-3206 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-3206 affect?

CVE-2022-3206 affects passster. Severity is medium (CVSS 5.9). 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.

Q: How urgent is CVE-2022-3206?

Priority 42/100. Public exploit reference; Remotely exploitable, no login, no user action

This week

MEDIUM 5.9REMOTEUPGRADE

CVE-2022-3206 is a medium-severity flaw (CVSS 5.9) affecting passster. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-319, CWE-522
Published	2022-10-17
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: passster project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-10-17 12:15 UTCPublished CVE record published
2026-06-17 04:59 UTCUpdated Record last modified

passster project passster UPGRADE

Affected: < 3.5.5.5.2

Fixed in: 3.5.5.5.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy passster || rpm -q passster || passster --version

2. UPGRADE to 3.5.5.5.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade passster

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade passster

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-3206?

passster: upgrade to 3.5.5.5.2. Exact commands for each OS are on this page.

Is CVE-2022-3206 being exploited?

CVE-2022-3206 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-3206 affect?

CVE-2022-3206 affects passster. Severity is medium (CVSS 5.9). 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.

How urgent is CVE-2022-3206?

Priority 42/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-2026 MEDIUM 6.4 UPGRADE The Passster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's content_protec
CVE-2024-11282 MEDIUM 5.3 UPGRADE The Passster – Password Protect Pages and Content plugin for WordPress is vulnerable to Sensitive Information
CVE-2024-0616 MEDIUM 5.3 UPGRADE The Passster – Password Protect Pages and Content plugin for WordPress is vulnerable to Sensitive Information

References

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