CVE-2009-1879

Exp

Cross-site scripting (XSS) vulnerability in index.template.html in the express-install templates in the SDK in Adobe Flex before 3.4, when the installed Flash version is older than a specified requiredMajorVersion value, allows remote attackers to inject arbitrary web script or HTML via the query string.

Published: 2009-08-21 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-1879 is rated Exploit Available (56.9/100): CVSS Low severity, with high exploitation likelihood (EPSS 8.25%, 94th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-1879

EDB-ID Source Kind Published Link
33180 exploit_db edb 2009-08-19 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-1879

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 9.75% 8.25% -1.50%
2 2025-03-30 11.22% 9.75% -1.47%
3 2025-03-29 — 11.22% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1879

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.6 2.0 LOW
AV:N/AC:H/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 4.9 2.9 [email protected]

Weakness enumeration for CVE-2009-1879

Affected software / configurations for CVE-2009-1879

Vendor Product Version Raw CPE
adobe flex_sdk < 3.4 cpe:2.3:a:adobe:flex_sdk:*:*:*:*:*:*:*:*

References for CVE-2009-1879

cvelogic Threat Intelligence