CVE-2009-4102 json
Sage 1.4.3 and earlier extension for Firefox performs certain operations with chrome privileges, which allows remote attackers to execute a…
published 2009-11-28 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-4073
- cvss
- 9.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.4%
- EPSS 3.4% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
Sage 1.4.3 and earlier extension for Firefox performs certain operations with chrome privileges, which allows remote attackers to execute arbitrary commands and perform cross-domain scripting attacks via the description tag of an RSS feed.
Exploit prediction
3.39% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
debian.org
/security/2009/dsa-1951
vendor-advisory
-
secunia.com
/advisories/37466
third-party-advisory, vendor-advisory
-
vupen.com
/english/advisories/2009/3324
vdb-entry, vendor-advisory
-
jvn.jp
/en/jp/JVN99203127/index.html
third-party-advisory
-
securityfocus.com
/bid/37120
vdb-entry
- forums.mozillazine.org /viewtopic.php?f=48&t=1603515&start=0
-
exchange.xforce.ibmcloud.com
/vulnerabilities/54396
vdb-entry
-
jvndb.jvn.jp
/jvndb/JVNDB-2011-000070
third-party-advisory
- net-security.org /secworld.php?id=8527
Sources
- CVE List CVE-2009-4102
- NVD CVE-2009-4102
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.