CVE-2005-1156

NONECVSS 0.0

0.0

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."

CVSS v3: —
EG Score: —
EPSS: 91.4%
KEV: Not listed

Published

May 2, 2005

Last Modified

April 16, 2026

References (34)

secalert@redhatftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2005.49/SCOSA-2005.49.txt
secalert@redhathttp://secunia.com/advisories/14938
secalert@redhathttp://secunia.com/advisories/14992
secalert@redhathttp://secunia.com/advisories/14996
secalert@redhathttp://securitytracker.com/id?1013745
secalert@redhathttp://www.gentoo.org/security/en/glsa/glsa-200504-18.xml
secalert@redhathttp://www.mikx.de/firesearching/
secalert@redhathttp://www.mozilla.org/security/announce/mfsa2005-38.html
secalert@redhathttp://www.redhat.com/support/errata/RHSA-2005-383.html
secalert@redhathttp://www.redhat.com/support/errata/RHSA-2005-384.html
secalert@redhathttp://www.redhat.com/support/errata/RHSA-2005-386.html
secalert@redhathttp://www.securityfocus.com/bid/13211
secalert@redhathttp://www.securityfocus.com/bid/15495
secalert@redhathttps://bugzilla.mozilla.org/show_bug.cgi?id=290037
secalert@redhathttps://exchange.xforce.ibmcloud.com/vulnerabilities/20125

Data Freshness Timeline

(refreshed 9× in last 7d / 15× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2005-1156?

CVE-2005-1156 is a none vulnerability published on May 2, 2005. 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."

When was CVE-2005-1156 disclosed?

CVE-2005-1156 was first published in the National Vulnerability Database on May 2, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2005-1156 actively exploited?

CVE-2005-1156 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2005-1156?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-1156, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2005-1156

📅 Published

🔄 Last Modified

🔗 References (34)