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Fencer Intel
medium 4.3

CVE-2010-2769 json

Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before…

published 16y ago modified 4mo ago also EUVD-2010-2773

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 allows user-assisted remote attackers to inject arbitrary web script or HTML via a selection that is added to a document in which the designMode property is enabled.

Patch / fix

  • firefox RHEL 4 3.6.9-1.el4
  • firefox RHEL 5 3.6.9-2.el5
  • nss RHEL 4 3.12.7-1.el4
  • nss RHEL 5 3.12.7-2.el5
  • nspr RHEL 4 4.8.6-1.el4
  • nspr RHEL 5 4.8.6-1.el5
  • nss-tools RHEL 4 3.12.7-1.el4
  • nss-tools RHEL 5 3.12.7-2.el5

red hat advisories RHSA-2010:0681

  • 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

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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-2010-2769 updated cvss 5.1

Mozilla Copy-and-paste or drag-and-drop into designMode document allows XSS (MFSA 2010-62)

  • Red Hat Enterprise Linux 6 firefox
    affected: no fix available
  • Red Hat Enterprise Linux (v. 5 server) nspr 4.8.6-1.el5, nss 3.12.7-2.el5, firefox 3.6.9-2.el5, nss-tools 3.12.7-2.el5, xulrunner 1.9.2.9-1.el5 Red Hat Enterprise Linux AS version 4 nspr 4.8.6-1.el4, nss 3.12.7-1.el4, firefox 3.6.9-1.el4, nss-tools 3.12.7-1.el4 Red Hat Enterprise Linux Desktop (v. 5 client) nspr 4.8.6-1.el5, nss 3.12.7-2.el5, firefox 3.6.9-2.el5, nss-tools 3.12.7-2.el5, xulrunner 1.9.2.9-1.el5 Red Hat Enterprise Linux Desktop version 4 nspr 4.8.6-1.el4, nss 3.12.7-1.el4, firefox 3.6.9-1.el4, nss-tools 3.12.7-1.el4 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) nspr 4.8.6-1.el5, nss 3.12.7-2.el5, xulrunner 1.9.2.9-1.el5 Red Hat Enterprise Linux ES version 4 nspr 4.8.6-1.el4, nss 3.12.7-1.el4, firefox 3.6.9-1.el4, nss-tools 3.12.7-1.el4
    +1 more products
    Red Hat Enterprise Linux WS version 4 nspr 4.8.6-1.el4, nss 3.12.7-1.el4, firefox 3.6.9-1.el4, nss-tools 3.12.7-1.el4
    fixed: vendor fix RHSA-2010:0681

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

2.07% chance of exploitation in the next 30 days, higher than 81% 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:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.