SQL injection in ExpressionEngine
Priority LOW 33CWE-89Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-89.
Summary
Unsanitized user input in ExpressionEngine <= 5.4.0 control panel member creation leads to an SQL injection. The user needs member creation/admin control panel access to execute the attack.
Why it matters now
EPSS 0.00934 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | ExpressionEngine | up to 5.4.0 | — | No fix listed | CNA |
- ExpressionEngine Vendor— Affected up to 5.4.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:expressionengine:expressionengine:*:*:*:*:*:*:*:* | up to 5.4.0 | Vulnerable | ExpressionEngine |
- cpe:2.3:a:expressionengine:expressionengine:*:*:*:*:*:*:*:* Versions up to 5.4.0 Vulnerable ·ExpressionEngine
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8242
- 2026-10-03 Alias added: GHSA-jxgv-5936-493f
References
Advisory 1
More Expressionengine vulnerabilities
- TI-2021-12747 In Expression Engine before 6.0.3, addonIcon in Addons/file/mod.file.php relies on the… CVSS 3.1CRITICAL 9.8
- TI-2020-10544 ExpressionEngine before 5.3.2 allows remote attackers to upload and execute arbitrary… CVSS 3.1HIGH 8.8
- TI-2021-08771 ExpressionEngine before 5.4.2 and 6.x before 6.0.3 allows PHP Code Injection by certain… CVSS 3.1HIGH 8.8
- TI-2023-09084 In ExpressionEngine before 7.2.6, remote code execution can be achieved by an authenticated Control Panel user. CVSS 3.1HIGH 8.8
- TI-2017-00845 ExpressionEngine version 2.x < 2.11.8 and version 3.x < 3.5.5 create an object signing… CVSS 3.0HIGH 7.5
- TI-2014-04390 Multiple SQL injection vulnerabilities in EllisLab ExpressionEngine before 2.9.1 allow… CVSS 2.0MEDIUM 6.5
Sources
- CVE-2020-8242 · CVE Program
- CVE-2020-8242 · NVD
- FIRST EPSS
- GHSA-jxgv-5936-493f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences