CVE-2009-1070

Cross-site scripting (XSS) vulnerability in system/index.php in ExpressionEngine 1.6.4 through 1...

4.3 MediumPublic exploit

Cross-site scripting (XSS) vulnerability in system/index.php in ExpressionEngine 1.6.4 through 1.6.6, and possibly earlier versions, allows remote attackers to inject arbitrary web script or HTML via the avatar parameter.

Exploit likelihood

1.72%Down 1.2 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2009-1070
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-1070
Updated: 2026-11-02

EUVDEUVD-2009-1071 No score

Record: EUVD-2009-1071
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mcq6-hwmc-gp67 No score

Cross-site scripting (XSS) vulnerability in system/index.php in ExpressionEngine 1.6.4 through 1...

Record: GHSA-mcq6-hwmc-gp67
Weakness: CWE-79
Updated: 2026-11-02

Affected products

expressionengine

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	ExpressionEngine 1.6 - Avtaar Name HTML Injection	2009-03-22

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-1070 is a medium vulnerability (CVSS 4.3) in Expressionengine, published March 24, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.72%, the 77th percentile. No source names a fixed version.