Skip to content
Fencer Intel
medium 4.3

CVE-2010-1213 json

The importScripts Web Worker method in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, Thunderbird 3.0.x before 3.0.6 and 3.1.x…

published 16y ago modified 4mo ago also EUVD-2010-1243

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

The importScripts Web Worker method in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, Thunderbird 3.0.x before 3.0.6 and 3.1.x before 3.1.1, and SeaMonkey before 2.0.6 does not verify that content is valid JavaScript code, which allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted HTML document.

Patch / fix

  • firefox RHEL 4 3.6.7-2.el4
  • firefox RHEL 5 3.6.7-2.el5
  • xulrunner RHEL 5 1.9.2.7-2.el5

red hat advisories RHSA-2010:0547

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 45.5.1-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1openSUSE-SU-2024:10230-1

Is CVE-2010-1213 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-1213 updated cvss 5.1

Mozilla Cross-origin data disclosure via Web Workers and importScripts

  • Red Hat Enterprise Linux 6 firefox
    affected: no fix available
  • Red Hat Enterprise Linux (v. 5 server) firefox 3.6.7-2.el5, xulrunner 1.9.2.7-2.el5 Red Hat Enterprise Linux AS version 4 firefox 3.6.7-2.el4 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 3.6.7-2.el5, xulrunner 1.9.2.7-2.el5 Red Hat Enterprise Linux Desktop version 4 firefox 3.6.7-2.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) xulrunner 1.9.2.7-2.el5 Red Hat Enterprise Linux ES version 4 firefox 3.6.7-2.el4
    +1 more products
    Red Hat Enterprise Linux WS version 4 firefox 3.6.7-2.el4
    fixed: vendor fix RHSA-2010:0547

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel 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.