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CVE-2007-2871

14
FAUCET Score

CVE-2007-2871 describes a vulnerability in Mozilla Firefox versions 1.5.x before 1.5.0.12 and 2.x before 2.0.0.4, and SeaMonkey versions 1.0.9 and 1.1.2, allowing remote attackers to spoof or hide browser chrome elements like the location bar using XUL popups outside the content pane. This medium-complexity attack (CVSS 4.3) could facilitate phishing and other social engineering attacks, impacting integrity (I:P). There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.5CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.5:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
1.5.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.5.0.3:*:*:*:*:*:*:*
1.5.0.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:1.5.0.4:*:*:*:*:*:*:*

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
2.49%
Probability of exploitation in next 30 days
EPSS Percentile
83.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0249 is in the 73rd percentile among its peer group of 19,956 CVEs.

Social Chatter

No social media mentions found for this CVE.

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)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: seamonkey-0:1.0.9-0.1.el2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: seamonkey-0:1.0.9-0.1.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:1.5.0.12-0.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: thunderbird-0:1.5.0.12-0.1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: devhelp-0:0.10-0.8.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: seamonkey-0:1.0.9-2.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: devhelp-0:0.12-11.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:1.5.0.12-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: yelp-0:2.16.0-15.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:1.5.0.12-1.el5
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2007-2871Low

Multiple Firefox flaws (CVE-2007-1562, CVE-2007-2867, CVE-2007-2868, CVE-2007-2869, CVE-2007-2870, CVE-2007-2871)

May 31, 2007

References

h20000.www2.hp.com / bizsupport/TechSupport/Document.jsp
osvdb.org / 35137
secunia.com / advisories/25469
secunia.com / advisories/25476
secunia.com / advisories/25488
secunia.com / advisories/25490
secunia.com / advisories/25491
secunia.com / advisories/25533
secunia.com / advisories/25534
secunia.com / advisories/25559
secunia.com / advisories/25635
secunia.com / advisories/25647
secunia.com / advisories/25685
secunia.com / advisories/25750
secunia.com / advisories/25858
security.gentoo.org / glsa/glsa-200706-06.xml
exchange.xforce.ibmcloud.com / vulnerabilities/34606
issues.rpath.com / browse/RPL-1424
slackware.com / security/viewer.php
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11433
debian.org / security/2007/dsa-1300
debian.org / security/2007/dsa-1306
debian.org / security/2007/dsa-1308
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/2007/mfsa2007-17.html
Vendor Advisory
novell.com / linux/security/advisories/2007_36_mozilla.html
redhat.com / support/errata/RHSA-2007-0400.html
redhat.com / support/errata/RHSA-2007-0401.html
redhat.com / support/errata/RHSA-2007-0402.html
securityfocus.com / archive/1/470172/100/200/threaded
securityfocus.com / bid/24242
securitytracker.com / id
securitytracker.com / id
ubuntu.com / usn/usn-468-1
us-cert.gov / cas/techalerts/TA07-151A.html
US Government Resource
vupen.com / english/advisories/2007/1994