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CVE-2025-23209

8.1, high Known exploited

Craft CMS Code Injection Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
8.1, high high CVSS v3.1
EPSS, next 30 days
22% higher than 97.6% of scored CVEs
Exploitation
Confirmed in the wild
Published
18 Jan 2025a year ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 20 Feb 2025. US federal agencies had to remediate by 13 Mar 2025, a deadline that has passed.

Required action. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Description

Craft is a flexible, user-friendly CMS for creating custom digital experiences on the web and beyond. This is an remote code execution (RCE) vulnerability that affects Craft 4 and 5 installs where your security key has already been compromised. Anyone running an unpatched version of Craft with a compromised security key is affected. This vulnerability has been patched in Craft 5.5.8 and 4.13.8. Users who cannot update to a patched version, should rotate their security keys and ensure their privacy to help migitgate the issue.

Details

Vendor
Craft CMS
Product
cms
Weakness
CWE-94 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
security-advisories@github.com

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References 4

Patches and fixes 1

Advisories 1

Other references 2

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Craft CMS CVEs

Every Craft CMS CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2025-35939 Craft CMS External Control of Assumed-Immutable Web Parameter Vulnerability KEV EPSS 1% 5.3, medium
  • CVE-2025-32432 Craft CMS Code Injection Vulnerability KEV EPSS 100% 10, critical
  • CVE-2024-56145 Craft CMS Code Injection Vulnerability KEV EPSS 97% 9.8, critical

Beyond this page

Is CVE-2025-23209 in your network?

This page tells you how dangerous CVE-2025-23209 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2025-23209 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2025-23209 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 16 Oct 2026, not the live upstream state.