Is CVE-2025-23209 exploited in the wild?

Yes. CVE-2025-23209 is known to be exploited in the wild, first recorded on 20 February 2025. Treat it as urgent.

How severe is CVE-2025-23209?

Critical severity, with a CVSS score of 3.1, published 21 January 2025.

Which products and versions are affected?

craftcms/cms (Packagist) ECOSYSTEM:introduced=5.0.0-RC1,fixed=5.5.8.

Is there a fix for CVE-2025-23209?

Yes. craftcms/cms (Packagist): upgrade to 5.5.8 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2025-23209 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2025-23209?

Check whether you run Craft CMS or craftcms/cms (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2025-23209: Craft CMS has a potential RCE with a compromised security key

CVE-2025-23209 · Severity: critical · CVSS 3.1 · Exploited in the wild · Published 2025-01-21

Craft CMS contains a code injection vulnerability due to improper validation of the database backup path. This allows remote code execution (RCE) on systems where the security key has been compromised.

Technologies: Craft CMS, craftcms/cms (Packagist). Vendors: Craft CMS, Packagist.

Quick answers

Is CVE-2025-23209 exploited in the wild?: Yes. CVE-2025-23209 is known to be exploited in the wild, first recorded on 20 February 2025. Treat it as urgent.
How severe is CVE-2025-23209?: Critical severity, with a CVSS score of 3.1, published 21 January 2025.
Which products and versions are affected?: craftcms/cms (Packagist) ECOSYSTEM:introduced=5.0.0-RC1,fixed=5.5.8.
Is there a fix for CVE-2025-23209?: Yes. craftcms/cms (Packagist): upgrade to 5.5.8 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2025-23209 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2025-23209?: Check whether you run Craft CMS or craftcms/cms (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

craftcms/cms (Packagist): upgrade to 5.5.8 or later
```
composer require craftcms/cms:^5.5.8
```

Affected products

Craft CMS Craft CMS 4.x < 4.13.8, 5.x < 5.5.8

Identifiers

CVE-2025-23209
GHSA-x684-96hh-833x

Timeline

2025-01-17: disclosed
2025-02-20: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
2025-02-20: exploited
2025-01-17: patched: Patched in versions 4.13.8 and 5.5.8

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