CVE-2005-1156

Exp

Firefox before 1.0.3, Mozilla Suite before 1.7.7, and Netscape 7.2 allows remote attackers to execute arbitrary script and code via a new search plugin using sidebar.addSearchEngine, aka "Firesearching 1."

Published: 2005-05-02 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-1156 is rated High Exploit Risk (69/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.34%). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2005-1156

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-1156

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 6.78% 2.34% -4.44%
2 2025-03-30 14.53% 6.78% -7.75%
3 2025-03-29 — 14.53% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-1156

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2005-1156

OS Trackers for CVE-2005-1156

vendor priority summary link
gentoo normal CVE-2005-1156: 1 GLSA(s) (200504-18), 4 atom(s) (www-client/mozilla, www-client/mozilla-bin, www-client/mozilla-firefox, www-client/mozilla-firefox-bin); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2005-1156
redhat medium — https://access.redhat.com/security/cve/CVE-2005-1156
ubuntu medium CVE-2005-1156 medium priority: Ubuntu including 1 source packages (mozilla), 5 status rows across 5 suites (dapper, edgy, feisty, gutsy, upstream): DNE 2, not-affected 2, needs-triage 1. https://ubuntu.com/security/CVE-2005-1156

Affected software / configurations for CVE-2005-1156

Vendor Product Version Raw CPE
mozilla firefox 0.8 cpe:2.3:a:mozilla:firefox:0.8:*:*:*:*:*:*:*
mozilla firefox 0.9 cpe:2.3:a:mozilla:firefox:0.9:*:*:*:*:*:*:*
mozilla firefox 0.9 cpe:2.3:a:mozilla:firefox:0.9:rc:*:*:*:*:*:*
mozilla firefox 0.9.1 cpe:2.3:a:mozilla:firefox:0.9.1:*:*:*:*:*:*:*
mozilla firefox 0.9.2 cpe:2.3:a:mozilla:firefox:0.9.2:*:*:*:*:*:*:*
mozilla firefox 0.9.3 cpe:2.3:a:mozilla:firefox:0.9.3:*:*:*:*:*:*:*
mozilla firefox 0.10 cpe:2.3:a:mozilla:firefox:0.10:*:*:*:*:*:*:*
mozilla firefox 0.10.1 cpe:2.3:a:mozilla:firefox:0.10.1:*:*:*:*:*:*:*
mozilla firefox 1.0 cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:*
mozilla firefox 1.0.1 cpe:2.3:a:mozilla:firefox:1.0.1:*:*:*:*:*:*:*
mozilla firefox 1.0.2 cpe:2.3:a:mozilla:firefox:1.0.2:*:*:*:*:*:*:*
mozilla mozilla 1.3 cpe:2.3:a:mozilla:mozilla:1.3:*:*:*:*:*:*:*
mozilla mozilla 1.4 cpe:2.3:a:mozilla:mozilla:1.4:*:*:*:*:*:*:*
mozilla mozilla 1.4 cpe:2.3:a:mozilla:mozilla:1.4:alpha:*:*:*:*:*:*
mozilla mozilla 1.4.1 cpe:2.3:a:mozilla:mozilla:1.4.1:*:*:*:*:*:*:*
mozilla mozilla 1.5 cpe:2.3:a:mozilla:mozilla:1.5:*:*:*:*:*:*:*
mozilla mozilla 1.5 cpe:2.3:a:mozilla:mozilla:1.5:alpha:*:*:*:*:*:*
mozilla mozilla 1.5 cpe:2.3:a:mozilla:mozilla:1.5:rc1:*:*:*:*:*:*
mozilla mozilla 1.5 cpe:2.3:a:mozilla:mozilla:1.5:rc2:*:*:*:*:*:*
mozilla mozilla 1.5.1 cpe:2.3:a:mozilla:mozilla:1.5.1:*:*:*:*:*:*:*
mozilla mozilla 1.6 cpe:2.3:a:mozilla:mozilla:1.6:*:*:*:*:*:*:*
mozilla mozilla 1.6 cpe:2.3:a:mozilla:mozilla:1.6:alpha:*:*:*:*:*:*
mozilla mozilla 1.6 cpe:2.3:a:mozilla:mozilla:1.6:beta:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:*:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:alpha:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:beta:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:rc1:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:rc2:*:*:*:*:*:*
mozilla mozilla 1.7 cpe:2.3:a:mozilla:mozilla:1.7:rc3:*:*:*:*:*:*
mozilla mozilla 1.7.1 cpe:2.3:a:mozilla:mozilla:1.7.1:*:*:*:*:*:*:*
mozilla mozilla 1.7.2 cpe:2.3:a:mozilla:mozilla:1.7.2:*:*:*:*:*:*:*
mozilla mozilla 1.7.3 cpe:2.3:a:mozilla:mozilla:1.7.3:*:*:*:*:*:*:*
mozilla mozilla 1.7.5 cpe:2.3:a:mozilla:mozilla:1.7.5:*:*:*:*:*:*:*
mozilla mozilla 1.7.6 cpe:2.3:a:mozilla:mozilla:1.7.6:*:*:*:*:*:*:*
netscape navigator 7.2 cpe:2.3:a:netscape:navigator:7.2:*:*:*:*:*:*:*

References for CVE-2005-1156

URL Tags
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txt
http://secunia.com/advisories/14938 Patch Vendor Advisory
http://secunia.com/advisories/14992 Patch Vendor Advisory
http://secunia.com/advisories/14996 Patch Vendor Advisory
http://securitytracker.com/id?1013745 Patch
http://www.gentoo.org/security/en/glsa/glsa-200504-18.xml Patch Vendor Advisory
http://www.mikx.de/firesearching/ Exploit
http://www.mozilla.org/security/announce/mfsa2005-38.html Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-383.html Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-384.html
http://www.redhat.com/support/errata/RHSA-2005-386.html Patch Vendor Advisory
http://www.securityfocus.com/bid/13211 Exploit Patch
http://www.securityfocus.com/bid/15495
https://bugzilla.mozilla.org/show_bug.cgi?id=290037 Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/20125
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A100020
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11230
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