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CVE-2010-1585

24
FAUCET Score

CVE-2010-1585 describes a vulnerability in Mozilla Firefox, Thunderbird, and SeaMonkey where the nsIScriptableUnescapeHTML.parseFragment method fails to properly sanitize HTML in a chrome document. This flaw allows remote attackers to execute arbitrary JavaScript with chrome privileges, typically through specially crafted javascript: URIs within HTML attributes. With a CVSS score of 9.3, this vulnerability is critical, allowing for complete compromise of confidentiality, integrity, and availability with medium attack complexity and no authentication required. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.6CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6:*:*:*:*:*:*:*
3.6.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.2:*:*:*:*:*:*:*
3.6.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.3:*:*:*:*:*:*:*
3.6.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.4:*:*:*:*:*:*:*
3.6.6CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.47%
Probability of exploitation in next 30 days
EPSS Percentile
90.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0447 is in the 55th percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.6.14-4.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.6.14-4.el5_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.2.14-4.el5_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:3.6.14-4.el6_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: xulrunner-0:1.9.2.14-3.el6_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:3.1.8-4.el6_0
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 4.8Fixed in: firefox
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 5.6Fixed in: firefox
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 6.0Fixed in: firefox
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 6.0Fixed in: thunderbird

Vendor Advisories (1)

redhatCVE-2010-1585Critical

javascript: URLs in chrome documents (MFSA 2011-08)

Mar 1, 2011

References

downloads.avaya.com / css/P8/documents/100133195
bugzilla.mozilla.org / show_bug.cgi
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12532
wizzrss.blat.co.za / 2009/11/17/so-much-for-nsiscriptableunescapehtmlparsefragment
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/2011/mfsa2011-08.html
security-assessment.com / files/whitepapers/Cross_Context_Scripting_with_Firefox.pdf
Exploit
securityfocus.com / archive/1/510883/100/0/threaded