CVE-2023-23900: Unauth

Q: How do I fix CVE-2023-23900?

easy forms for mailchimp: upgrade to newer than 6.8.8. Exact commands for each OS are on this page.

Q: Is CVE-2023-23900 being exploited?

CVE-2023-23900 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-2023-23900 affect?

CVE-2023-23900 affects easy forms for mailchimp. Severity is medium (CVSS 5.8). Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in YIKES, Inc. Easy Forms for Mailchimp plugin <= 6.8.8 versions.

Q: How urgent is CVE-2023-23900?

Priority 28/100. No elevated risk signals yet.

Routine

MEDIUM 5.8UPGRADE

CVE-2023-23900 is a medium-severity flaw (CVSS 5.8) affecting easy forms for mailchimp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in YIKES, Inc. Easy Forms for Mailchimp plugin <= 6.8.8 versions.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.8 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 70%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-08-10
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: yikesinc

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

Am I affected?

Timeline

2023-08-10 12:15 UTCPublished CVE record published
2026-06-17 05:38 UTCUpdated Record last modified

yikesinc easy forms for mailchimp UPGRADE

Affected: <= 6.8.8

Fixed in: newer than 6.8.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy easy-forms-for-mailchimp || rpm -q easy-forms-for-mailchimp || easy-forms-for-mailchimp --version

2. UPGRADE to newer than 6.8.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade easy-forms-for-mailchimp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade easy-forms-for-mailchimp

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-2023-23900?

easy forms for mailchimp: upgrade to newer than 6.8.8. Exact commands for each OS are on this page.

Is CVE-2023-23900 being exploited?

CVE-2023-23900 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-2023-23900 affect?

CVE-2023-23900 affects easy forms for mailchimp. Severity is medium (CVSS 5.8). Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in YIKES, Inc. Easy Forms for Mailchimp plugin <= 6.8.8 versions.

How urgent is CVE-2023-23900?

Priority 28/100. No elevated risk signals yet.

Related CVEs

CVE-2024-35742 MEDIUM 5.3 UPGRADE Missing Authorization vulnerability in Code Parrots Easy Forms for Mailchimp.This issue affects Easy Forms for
CVE-2023-4925 MEDIUM 4.8 UPGRADE The Easy Forms for Mailchimp WordPress plugin through 6.8.10 does not sanitise and escape some of its settings
CVE-2023-2518 MEDIUM 6.1 UPGRADE The Easy Forms for Mailchimp WordPress plugin before 6.8.9 does not sanitise and escape a parameter before out
CVE-2023-1323 MEDIUM 4.8 UPGRADE The Easy Forms for Mailchimp WordPress plugin before 6.8.9 does not sanitise and escape some of its from param

References

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