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CVE-2007-0996

21
FAUCET Score

CVE-2007-0996 describes a cross-site scripting (XSS) vulnerability in Mozilla Firefox versions prior to 1.5.0.10 and 2.0.0.2, and SeaMonkey before 1.0.8. This flaw allows remote attackers to inject malicious scripts due to child frames inheriting the default charset from the parent window, specifically demonstrated with UTF-7. The vulnerability has a CVSS score of 5.8, indicating a medium severity with a network attack vector and medium attack complexity, potentially leading to partial confidentiality and integrity impacts. While there is no evidence of active exploitation or readily available exploit code in Metasploit, Nuclei, or ExploitDB, the CVE has garnered significant community discussion with 10 mentions, placing it in the top 1% for community attention.

Impacted Technologies

VendorProductVersion(s)CPE
1.5CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.5:*:*:*:*:*:*:*
1.5CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.5:beta1:*:*:*:*:*:*
1.5CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.5:beta2:*:*:*:*:*:*
1.5.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.5.0.1:*:*:*:*:*:*:*
1.5.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.5.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.06%
Probability of exploitation in next 30 days
EPSS Percentile
79.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0206 is in the 65th 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 (11)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.8-0.2.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: devhelp-0:0.10-0.7.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.8-0.2.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.10-0.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: seamonkey-0:1.0.8-0.2.el2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: devhelp-0:0.12-10.0.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:1.5.0.10-2.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: yelp-0:2.16.0-14.0.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:1.5.0.10-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:1.5.0.10-0.1.el4
View patch

Vendor Advisories (1)

redhatCVE-2007-0996Moderate

security flaw

Feb 23, 2007

References

patches.sgi.com / support/free/security/advisories/20070202-01-P.asc
patches.sgi.com / support/free/security/advisories/20070301-01-P.asc
fedoranews.org / cms/node/2713
fedoranews.org / cms/node/2728
h20000.www2.hp.com / bizsupport/TechSupport/Document.jsp
lists.suse.com / archive/suse-security-announce/2007-Mar/0001.html
osvdb.org / 33812
rhn.redhat.com / errata/RHSA-2007-0077.html
secunia.com / advisories/24205
secunia.com / advisories/24287
secunia.com / advisories/24290
secunia.com / advisories/24320
secunia.com / advisories/24328
secunia.com / advisories/24333
secunia.com / advisories/24342
secunia.com / advisories/24343
secunia.com / advisories/24384
secunia.com / advisories/24395
secunia.com / advisories/24455
secunia.com / advisories/24457
secunia.com / advisories/24650
secunia.com / advisories/25588
issues.rpath.com / browse/RPL-1103
slackware.com / security/viewer.php
slackware.com / security/viewer.php
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10086
debian.org / security/2007/dsa-1336
hardened-php.net / advisory_032007.142.html
Vendor Advisory
mandriva.com / security/advisories
mozilla.org / security/announce/2007/mfsa2007-02.html
PatchVendor Advisory
novell.com / linux/security/advisories/2007_22_mozilla.html
redhat.com / support/errata/RHSA-2007-0078.html
redhat.com / support/errata/RHSA-2007-0079.html
redhat.com / support/errata/RHSA-2007-0097.html
redhat.com / support/errata/RHSA-2007-0108.html
securityfocus.com / archive/1/461076/100/0/threaded
securityfocus.com / archive/1/461336/100/0/threaded
securityfocus.com / bid/22694
securitytracker.com / id
ubuntu.com / usn/usn-428-1
vupen.com / english/advisories/2007/0718