SQL Injection Vulnerability in Craft CMS Affects User Data Access
CVE-2026-31858

8.7HIGH

Key Information:

Vendor

Craftcms

Status
Cms
Vendor
CVE Published:
11 March 2026

What is CVE-2026-31858?

Craft CMS is vulnerable due to an oversight in the ElementSearchController::actionSearch() endpoint, which lacks the necessary unset() protection implemented in similar controllers. This vulnerability allows authenticated control panel users to perform SQL injection attacks through parameters such as criteria[where] and criteria[orderBy]. As a result, attackers can exploit the vulnerability to extract sensitive database contents using boolean-based blind injection techniques. Users are strongly advised to upgrade to version 5.9.9 or later to resolve this security issue.

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Deploy the Patch

Affected Version(s)

cms >= 5.0.0-RC1, <= 5.9.8

References

https://github.com/craftcms/cms/security/advisories/GHSA-...
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https://github.com/craftcms/cms/commit/e1a3dd669ae31491b8...
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CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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