---
title: "CVE-2025-23209: Craft CMS Code Injection Vulnerability"
url: https://erroneo.us/security/cve/CVE-2025-23209/
description: "CVE-2025-23209 (Craft CMS Craft CMS): Exploited in the wild (CISA KEV). Craft is a flexible, user-friendly CMS for creating custom digital experiences on…"
type: vulnerability-record
section: "Security Digest"
date_published: 2025-01-18
date_modified: 2026-02-26
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2025-23209"
kev: true
cvss: 8.1
epss: 0.21776
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2025-23209: Craft CMS Code Injection Vulnerability

**Signal:** Exploited: patch now if you run it. CISA has confirmed exploitation in the wild. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Yes, if you run Craft CMS Craft CMS. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2025-02-20, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2025-03-13 ; treat that as the outer limit, not the target.
- EPSS 21.8% , percentile 98: FIRST’s model estimates a 21.8% chance of exploitation activity in the next 30 days, higher than 98% of all scored CVEs (very high). EPSS is a probability, not a verdict.
- Needs an account (low (any account)). Exposure depends on who can log in.

## What it is

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.

## Affected products (CVE record)

- craftcms cms: >= 5.0.0-RC1, < 5.5.5, >= 4.0.0-RC1, < 4.13.8

## Severity

- GitHub_M CVSS 3.1: 8.1 `CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H`

## Exploitation

- CISA KEV: added 2025-02-20; federal due date 2025-03-13. Known ransomware use: Unknown.
- CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- CISA SSVC assessment: exploitation active , automatable no , technical impact total .
- FIRST EPSS (model of 2026-10-21): 21.78% probability of exploitation activity in the next 30 days; percentile 98.

## Sources

- [Listed in CISA KEV notes (github.com)](https://github.com/craftcms/cms/security/advisories/GHSA-x684-96hh-833x)
- [CVE.org record CVE-2025-23209](https://www.cve.org/CVERecord?id=CVE-2025-23209)
- [NVD entry CVE-2025-23209](https://nvd.nist.gov/vuln/detail/CVE-2025-23209)
- [CISA Known Exploited Vulnerabilities catalog entry](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-23209)
- [github.com](https://github.com/craftcms/cms/commit/e59e22b30c9dd39e5e2c7fe02c147bcbd004e603)
- [craftcms.com](https://craftcms.com/knowledge-base/securing-craft#keep-your-secrets-secret)

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Source page: https://erroneo.us/security/cve/CVE-2025-23209/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt