CVE-2023-1509: The GMAce plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1

Q: How do I fix CVE-2023-1509?

gmace: upgrade to newer than 1.5.2. Exact commands for each OS are on this page.

Q: Is CVE-2023-1509 being exploited?

CVE-2023-1509 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-2023-1509 affect?

CVE-2023-1509 affects gmace. Severity is high (CVSS 8.8). The GMAce plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.5.2. This is due to missing nonce validation on the gmace_manager_server function called via the wp_ajax_gmace_manager AJAX actio

This month

HIGH 8.8UPGRADE

CVE-2023-1509 is a high-severity flaw (CVSS 8.8) affecting gmace. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The GMAce plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.5.2. This is due to missing nonce validation on the gmace_manager_server function called via the wp_ajax_gmace_manager AJAX action. This makes it possible for unauthenticated attackers to modify arbitrary files and achieve remote code execution via a forged request granted they can trick a site administrator into performing an action suc

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-352
Published	2023-03-29
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: gmace project

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

Am I affected?

Timeline

2023-03-29 11:15 UTCPublished CVE record published
2026-06-17 05:28 UTCUpdated Record last modified

gmace project gmace UPGRADE

Affected: <= 1.5.2

Fixed in: newer than 1.5.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.5.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gmace

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-2023-1509?

gmace: upgrade to newer than 1.5.2. Exact commands for each OS are on this page.

Is CVE-2023-1509 being exploited?

CVE-2023-1509 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-2023-1509 affect?

CVE-2023-1509 affects gmace. Severity is high (CVSS 8.8). The GMAce plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.5.2. This is due to missing nonce validation on the gmace_manager_server function called via the wp_ajax_gmace_manager AJAX actio

How urgent is CVE-2023-1509?

Priority 43/100. High severity

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2023-23861 MEDIUM 5.4 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in German Mesky GMAce plugin <= 1.5.2 versions.

References

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