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CVE-2010-0171

17
FAUCET Score

CVE-2010-0171 is a cross-origin keystroke capture vulnerability affecting Mozilla Firefox, Thunderbird, and SeaMonkey versions released before their respective patches in early 2010. This flaw, stemming from an incomplete fix for a previous vulnerability, could allow remote attackers to capture user keystrokes and potentially execute cross-site scripting (XSS) attacks. With a CVSS score of 4.3, it is considered a medium severity vulnerability, requiring medium attack complexity but not authentication. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0.1:*:*:*:*:*:*:*
3.0.10CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0.10:*:*:*:*:*:*:*
3.0.11CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0.11:*:*:*:*:*:*:*
3.0.12CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0.12:*:*:*:*:*:*:*

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
1.77%
Probability of exploitation in next 30 days
EPSS Percentile
75.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0177 is in the 55th percentile among its peer group of 19,956 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 (8)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.9-0.50.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.0.18-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.9-52.el4_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.12-25.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.0.18-1.el5_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.0.18-1.el5_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:2.0.0.24-2.el5_4
View patch

Vendor Advisories (1)

redhatCVE-2010-0171Important

firefox/thunderbird/seamonkey: XSS using addEventListener and setTimeout on a wrapped object (MFSA 2010-12)

Mar 23, 2010

References

bugzilla.mozilla.org / show_bug.cgi
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10773
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7743
mozilla.org / security/announce/2010/mfsa2010-12.html
Patch
securityfocus.com / bid/38918
Patch
vupen.com / english/advisories/2010/0692