CVE-2005-1477

What it is

The install function in Firefox 1.0.3 allows remote web sites on the browser's whitelist, such as update.mozilla.org or addon.mozilla.org, to execute arbitrary Javascript with chrome privileges, leading to arbitrary code execution on the system when combined with vulnerabilities such as CVE-2005-1476, as demonstrated using a javascript: URL as the package icon and a cross-site scripting (XSS) attack on a vulnerable whitelist site.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

15.2% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2005-05-09 04:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:13 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 15.2% in the next 30 days (EPSS).
• Severity: 5.1 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2005-05-09 04:00 UTC

Last modified

2026-06-16 22:13 UTC

Exploit probability

15.2% · EPSS, next 30 days

Record status

Modified

Affected

• Mozilla Firefox 1.0.3

Attack profile CVSS 2.0 · 5.1

Attack vector

Network

Complexity

High

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2005-1477.md and follow it. Check whether this project is affected by CVE-2005-1477. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

Copy as ticket · More options · Status badge