CVE-2023-6594: The WordPress Button Plugin MaxButtons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a

Q: How do I fix CVE-2023-6594?

maxbuttons: upgrade to newer than 9.7.4. Exact commands for each OS are on this page.

Q: Is CVE-2023-6594 being exploited?

CVE-2023-6594 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-2023-6594 affect?

CVE-2023-6594 affects maxbuttons. Severity is medium (CVSS 4.4). The WordPress Button Plugin MaxButtons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 9.7.4 due to insufficient input sanitization and output escaping. This makes i

Q: How urgent is CVE-2023-6594?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 4.4UPGRADE

CVE-2023-6594 is a medium-severity flaw (CVSS 4.4) affecting maxbuttons. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WordPress Button Plugin MaxButtons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 9.7.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects mu

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-01-09
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: maxfoundry

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

Am I affected?

Timeline

2024-01-09 03:15 UTCPublished CVE record published
2026-06-17 06:51 UTCUpdated Record last modified

maxfoundry maxbuttons UPGRADE

Affected: <= 9.7.4

Fixed in: newer than 9.7.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 9.7.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade maxbuttons

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-2023-6594?

maxbuttons: upgrade to newer than 9.7.4. Exact commands for each OS are on this page.

Is CVE-2023-6594 being exploited?

CVE-2023-6594 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-2023-6594 affect?

CVE-2023-6594 affects maxbuttons. Severity is medium (CVSS 4.4). The WordPress Button Plugin MaxButtons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 9.7.4 due to insufficient input sanitization and output escaping. This makes i

How urgent is CVE-2023-6594?

Priority 22/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

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CVE-2024-3026 MEDIUM 5.4 UPGRADE The WordPress Button Plugin MaxButtons WordPress plugin before 9.7.8 does not sanitise and escape some paramet
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CVE-2023-36503 MEDIUM 6.5 UPGRADE Auth

References

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