CVE-2007-1947: Cross-zone scripting vulnerability in the DOM templates (domplates) used by the console.log function in the Fi

Q: How do I fix CVE-2007-1947?

firebug: upgrade to newer than 1.03. Exact commands for each OS are on this page.

Q: Is CVE-2007-1947 being exploited?

CVE-2007-1947 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2007-1947 affect?

CVE-2007-1947 affects firebug. Severity is low (CVSS 3.5). Cross-zone scripting vulnerability in the DOM templates (domplates) used by the console.log function in the Firebug extension before 1.04 for Mozilla Firefox allows remote attackers to bypass zone restrictions, read arbitrary file:// URIs,

Q: How urgent is CVE-2007-1947?

Priority 40/100. EPSS top 9%: very likely to be exploited; Public exploit reference

This month

LOW 3.5UPGRADE

CVE-2007-1947 is a low-severity flaw (CVSS 3.5) affecting firebug. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-zone scripting vulnerability in the DOM templates (domplates) used by the console.log function in the Firebug extension before 1.04 for Mozilla Firefox allows remote attackers to bypass zone restrictions, read arbitrary file:// URIs, or execute arbitrary code in the browser chrome by overwriting the toString function via a certain function declaration, related to incorrect identification of anonymous JavaScript functions, a different issue

Why this priority

EPSS top 9%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
EPSS exploit chance	4.5% (top 9%)
CISA exploited list	No
Published	2007-04-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: parakey inc.

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-04-11 01:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

parakey inc. firebug UPGRADE

Affected: <= 1.03

Fixed in: newer than 1.03

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy firebug || rpm -q firebug || firebug --version

2. UPGRADE to newer than 1.03 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade firebug

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade firebug

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Firebug 1.03 - Rep.JS Script Code Injection

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2007-1947?

firebug: upgrade to newer than 1.03. Exact commands for each OS are on this page.

Is CVE-2007-1947 being exploited?

CVE-2007-1947 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2007-1947 affect?

CVE-2007-1947 affects firebug. Severity is low (CVSS 3.5). Cross-zone scripting vulnerability in the DOM templates (domplates) used by the console.log function in the Firebug extension before 1.04 for Mozilla Firefox allows remote attackers to bypass zone restrictions, read arbitrary file:// URIs,

How urgent is CVE-2007-1947?

Priority 40/100. EPSS top 9%: very likely to be exploited; Public exploit reference

Software pages

Google Chrome vulnerabilities · Mozilla Firefox vulnerabilities

Related CVEs

CVE-2007-1878 MEDIUM 6.8 DOWNGRADE Cross-zone scripting vulnerability in the DOM templates (domplates) used by the console.log function in the Fi

References

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