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CVE-2010-2768

16
FAUCET Score

CVE-2010-2768 describes a cross-site scripting (XSS) vulnerability in older versions of Mozilla Firefox, Thunderbird, and SeaMonkey. The flaw allows remote attackers to bypass XSS protection by manipulating the type attribute of an OBJECT element to set a document's charset, specifically leveraging UTF-7 encoding. This vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial integrity impact, but no confidentiality or availability impact. 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

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.11%
Probability of exploitation in next 30 days
EPSS Percentile
79.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0211 is in the 67th percentile among its peer group of 19,958 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (13)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:2.0.0.24-8.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.9-0.60.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.9-63.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.6.9-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: nspr-0:4.8.6-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: nss-0:3.12.7-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.12-30.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.6.9-2.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: nspr-0:4.8.6-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: nss-0:3.12.7-2.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.2.9-1.el5
View patch
mozillavendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox

Vendor Advisories (1)

redhatCVE-2010-2768Moderate

Mozilla UTF-7 XSS by overriding document charset using <object> type attribute (MFSA 2010-61)

Sep 7, 2010

References

blogs.sun.com / security/entry/multiple_vulnerabilities_in_mozilla_firefox
lists.fedoraproject.org / pipermail/package-announce/2010-September/047282.html
lists.opensuse.org / opensuse-security-announce/2010-10/msg00002.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/42867
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11735
support.avaya.com / css/P8/documents/100110210
support.avaya.com / css/P8/documents/100112690
debian.org / security/2010/dsa-2106
mandriva.com / security/advisories
mozilla.org / security/announce/2010/mfsa2010-61.html
Vendor Advisory
securityfocus.com / bid/43101
vupen.com / english/advisories/2010/2323
vupen.com / english/advisories/2011/0061