FKIE_CVE-2009-4101
Vulnerability from fkie_nvd - Published: 2009-11-29 13:08 - Updated: 2026-06-16 23:13
Severity
Summary
infoRSS 1.1.4.2 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.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| didier_ernotte | inforss | * | |
| didier_ernotte | inforss | 0.5 | |
| didier_ernotte | inforss | 0.7.7 | |
| didier_ernotte | inforss | 0.8.4 | |
| didier_ernotte | inforss | 0.8.7 | |
| didier_ernotte | inforss | 0.8.8.1 | |
| didier_ernotte | inforss | 0.8.8.2 | |
| didier_ernotte | inforss | 0.8.9 | |
| didier_ernotte | inforss | 0.8.9.1 | |
| didier_ernotte | inforss | 0.8.9.3 | |
| didier_ernotte | inforss | 0.8.9.4 | |
| didier_ernotte | inforss | 0.8.9.5 | |
| didier_ernotte | inforss | 0.9.0 | |
| didier_ernotte | inforss | 0.10.0 | |
| didier_ernotte | inforss | 0.10.1 | |
| didier_ernotte | inforss | 1.0.0 | |
| didier_ernotte | inforss | 1.1.0.1 | |
| didier_ernotte | inforss | 1.1.1 | |
| didier_ernotte | inforss | 1.1.2 | |
| didier_ernotte | inforss | 1.1.3 | |
| didier_ernotte | inforss | 1.1.4 | |
| didier_ernotte | inforss | 1.1.4.1 | |
| mozilla | firefox | * |
{
"affected": [
{
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"product": "n/a",
"vendor": "n/a",
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"version": "n/a"
}
]
}
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"source": "cve@mitre.org"
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "infoRSS 1.1.4.2 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."
},
{
"lang": "es",
"value": "infoRSS v1.1.4.2 y versiones anteriores de la extensi\u00f3n para Firefox, realiza ciertas operaciones con privilegios chrome, lo que permite a atacantes remotos ejecutar comandos de su elecci\u00f3n y realizar ataques de ejecuci\u00f3n de secuencias de comandos en dominios cruzados a trav\u00e9s de la etiqueta \"description\" en un feed RSS."
}
],
"evaluatorImpact": "Per information from the following advisory:\r\nhttp://www.net-security.org/secworld.php?id=8527\r\nraised the score to CIA:complete since this vulnerability gives attacker the full access to the computer.\r\n",
"id": "CVE-2009-4101",
"lastModified": "2026-06-16T23:13:02.417",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 9.3,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
"version": "2.0"
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"source": "nvd@nist.gov",
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"published": "2009-11-29T13:08:29.420",
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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