Skip to content
CVE Ledger
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • Data statusPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
  • Support the projectPage
Back

CVE-2006-6503

Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers…

Description

Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to bypass cross-site scripting (XSS) protection by changing the src attribute of an IMG element to a javascript: URI.

Timeline

  1. ID reserved

    By redhat

  2. · 7 days later

    Published

  3. · 18 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2006-6503, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium6.8AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS (exploitation in 30 days)
4.2% · top 9.0% of all CVEs (10 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.

Affected products

  • n/a

    • affected n/a

References

52

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2006-6503 badge
[![CVE-2006-6503](https://cveledger.app/badge/CVE-2006-6503.svg)](https://cveledger.app/cve/CVE-2006-6503)

Record last updated .