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CVE-2009-4100
Yoono extension before 6.1.1 for Firefox performs certain operations with chrome privileges, which allows user-assisted remote attackers…
High9.3EPSS 3.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Yoono extension before 6.1.1 for Firefox performs certain operations with chrome privileges, which allows user-assisted remote attackers to execute arbitrary commands and perform cross-domain scripting attacks via DOM event handlers such as onload.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 3.9% · top 9.8% of all CVEs (3 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Weakness
Affected products
n/a
- affected n/a
References (6)
- 37123 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ADV-2009-3326 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- https://addons.mozilla.org/en-US/firefox/addons/versions/1833#version-6.1.1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- yoonoo-domevent-xss(54417) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.net-security.org/secworld.php?id=8527 (opens in a new tab)x_refsource_MISCx_transferred
- 37468 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-4100)Record last updated .