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Fencer Vulns
low 2.6

CVE-2009-1879 json

Cross-site scripting (XSS) vulnerability in index.template.html in the express-install templates in the SDK in Adobe Flex before 3.4, when…

published 2009-08-21 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1874

cvss
2.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.3%
EPSS 8.3% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • adobe flex_sdk 3.4

Timeline

  1. First public exploit (EDB-33180)
  2. Published

Exploit prediction

8.25% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-33180 Adobe Flex SDK 3.x - 'index.template.html' Cross-Site Scripting webapps, 2009-08-19
  • gdssecurity.com http://www.gdssecurity.com/l/b/2009/08/20/adobe-flex-3-3-sdk-dom-based-xss/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 2.6 AV:N/AC:H/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.