CVE-2022-1603: The Mail Subscribe List WordPress plugin before 2.1.4 does not have CSRF check in place when deleting subscrib

Q: How do I fix CVE-2022-1603?

mail subscribe list: upgrade to 2.1.4. Exact commands for each OS are on this page.

Q: Is CVE-2022-1603 being exploited?

CVE-2022-1603 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-2022-1603 affect?

CVE-2022-1603 affects mail subscribe list. Severity is medium (CVSS 4.3). The Mail Subscribe List WordPress plugin before 2.1.4 does not have CSRF check in place when deleting subscribed users, which could allow attackers to make a logged in admin perform such action and delete arbitrary users from the subscribed

Q: How urgent is CVE-2022-1603?

Priority 29/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2022-1603 is a medium-severity flaw (CVSS 4.3) affecting mail subscribe list. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Mail Subscribe List WordPress plugin before 2.1.4 does not have CSRF check in place when deleting subscribed users, which could allow attackers to make a logged in admin perform such action and delete arbitrary users from the subscribed list

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-352
Published	2022-06-20
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: webfwd

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

Am I affected?

Timeline

2022-06-20 11:15 UTCPublished CVE record published
2026-06-17 04:22 UTCUpdated Record last modified

webfwd mail subscribe list UPGRADE

Affected: < 2.1.4

Fixed in: 2.1.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mail-subscribe-list || rpm -q mail-subscribe-list || mail-subscribe-list --version

2. UPGRADE to 2.1.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mail-subscribe-list

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mail-subscribe-list

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-2022-1603?

mail subscribe list: upgrade to 2.1.4. Exact commands for each OS are on this page.

Is CVE-2022-1603 being exploited?

CVE-2022-1603 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-2022-1603 affect?

CVE-2022-1603 affects mail subscribe list. Severity is medium (CVSS 4.3). The Mail Subscribe List WordPress plugin before 2.1.4 does not have CSRF check in place when deleting subscribed users, which could allow attackers to make a logged in admin perform such action and delete arbitrary users from the subscribed

How urgent is CVE-2022-1603?

Priority 29/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-23657 MEDIUM 6.5 UPGRADE Auth
CVE-2013-10026 LOW 3.5 UPGRADE A vulnerability, which was classified as problematic, has been found in Mail Subscribe List Plugin up to 2.0.1

References

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