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Fencer Vulns
medium 6.8

CVE-2007-1878 json

Cross-zone scripting vulnerability in the DOM templates (domplates) used by the console.log function in the Firebug extension before 1.03 f…

published 2007-04-06 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-1872

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.1%
EPSS 5.1% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Cross-zone scripting vulnerability in the DOM templates (domplates) used by the console.log function in the Firebug extension before 1.03 for Mozilla Firefox allows remote attackers to bypass zone restrictions, read arbitrary file:// URIs, or execute arbitrary code in the browser chrome, as demonstrated via the runFile function, related to lack of HTML escaping in the property name.

Patch / fix

Exploit prediction

5.08% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securityfocus.com http://www.securityfocus.com/bid/23315 referenced PoC, tagged "exploit" by a source, unverified
  • gnucitizen.org http://www.gnucitizen.org/blog/firebug-goes-evil referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.