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Fencer Vulns
medium 4.3

CVE-2007-0800 json

Cross-zone vulnerability in Mozilla Firefox 1.5.0.9 considers blocked popups to have an internal zone origin, which allows user-assisted re…

published 2007-02-07 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-0797

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

Cross-zone vulnerability in Mozilla Firefox 1.5.0.9 considers blocked popups to have an internal zone origin, which allows user-assisted remote attackers to cross zone restrictions and read arbitrary file:// URIs by convincing a user to show a blocked popup.

Patch / fix

  • thunderbird RHEL 5 1.5.0.10-1.el5
  • firefox RHEL 5 1.5.0.10-2.el5
  • yelp RHEL 5 2.16.0-14.0.1.el5
  • devhelp RHEL 5 0.12-10.0.1.el5
  • firefox RHEL 4 1.5.0.10-0.1.el4
  • thunderbird RHEL 4 1.5.0.10-0.1.el4
  • seamonkey RHEL 2.1 1.0.8-0.2.el2
  • seamonkey RHEL 3 1.0.8-0.2.el3

red hat advisories RHSA-2007:0108RHSA-2007:0097RHSA-2007:0079RHSA-2007:0078RHSA-2007:0077

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 92.0-1.2

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10600-1

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-2007-0800 updated

security flaw

  • Red Hat Desktop version 3 seamonkey 1.0.8-0.2.el3, seamonkey-nss 1.0.8-0.2.el3, seamonkey-chat 1.0.8-0.2.el3, seamonkey-mail 1.0.8-0.2.el3, seamonkey-nspr 1.0.8-0.2.el3, seamonkey-js-debugger 1.0.8-0.2.el3, +1 more
    fixed: vendor fix RHSA-2007:0077
  • Red Hat Enterprise Linux (v. 5 server) firefox 1.5.0.10-2.el5, yelp 2.16.0-14.0.1.el5, devhelp 0.12-10.0.1.el5
    fixed: vendor fix RHSA-2007:0097
  • Red Hat Enterprise Linux AS (Advanced Server) version 2.1 seamonkey 1.0.8-0.2.el2, seamonkey-nss 1.0.8-0.2.el2, seamonkey-chat 1.0.8-0.2.el2, seamonkey-mail 1.0.8-0.2.el2, seamonkey-nspr 1.0.8-0.2.el2, seamonkey-js-debugger 1.0.8-0.2.el2, +1 more Red Hat Enterprise Linux AS version 3 seamonkey 1.0.8-0.2.el3, seamonkey-nss 1.0.8-0.2.el3, seamonkey-chat 1.0.8-0.2.el3, seamonkey-mail 1.0.8-0.2.el3, seamonkey-nspr 1.0.8-0.2.el3, seamonkey-js-debugger 1.0.8-0.2.el3, +1 more Red Hat Enterprise Linux AS version 4 devhelp 0.10-0.7.el4, seamonkey 1.0.8-0.2.el4, firefox 1.5.0.10-0.1.el4, seamonkey-chat 1.0.8-0.2.el4, seamonkey-mail 1.0.8-0.2.el4, thunderbird 1.5.0.10-0.1.el4, +2 more
    fixed: vendor fix RHSA-2007:0077
  • Red Hat Enterprise Linux Desktop (v. 5 client) firefox 1.5.0.10-2.el5, yelp 2.16.0-14.0.1.el5, devhelp 0.12-10.0.1.el5, thunderbird 1.5.0.10-1.el5
    fixed: vendor fix RHSA-2007:0097
  • Red Hat Enterprise Linux Desktop version 4 devhelp 0.10-0.7.el4, seamonkey 1.0.8-0.2.el4, firefox 1.5.0.10-0.1.el4, seamonkey-chat 1.0.8-0.2.el4, seamonkey-mail 1.0.8-0.2.el4, thunderbird 1.5.0.10-0.1.el4, +2 more
    fixed: vendor fix RHSA-2007:0077
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) devhelp 0.12-10.0.1.el5
    fixed: vendor fix RHSA-2007:0097
  • Red Hat Enterprise Linux ES version 2.1 seamonkey 1.0.8-0.2.el2, seamonkey-nss 1.0.8-0.2.el2, seamonkey-chat 1.0.8-0.2.el2, seamonkey-mail 1.0.8-0.2.el2, seamonkey-nspr 1.0.8-0.2.el2, seamonkey-js-debugger 1.0.8-0.2.el2, +1 more Red Hat Enterprise Linux ES version 3 seamonkey 1.0.8-0.2.el3, seamonkey-nss 1.0.8-0.2.el3, seamonkey-chat 1.0.8-0.2.el3, seamonkey-mail 1.0.8-0.2.el3, seamonkey-nspr 1.0.8-0.2.el3, seamonkey-js-debugger 1.0.8-0.2.el3, +1 more Red Hat Enterprise Linux ES version 4 devhelp 0.10-0.7.el4, seamonkey 1.0.8-0.2.el4, firefox 1.5.0.10-0.1.el4, seamonkey-chat 1.0.8-0.2.el4, seamonkey-mail 1.0.8-0.2.el4, thunderbird 1.5.0.10-0.1.el4, +2 more Red Hat Enterprise Linux WS version 2.1 seamonkey 1.0.8-0.2.el2, seamonkey-nss 1.0.8-0.2.el2, seamonkey-chat 1.0.8-0.2.el2, seamonkey-mail 1.0.8-0.2.el2, seamonkey-nspr 1.0.8-0.2.el2, seamonkey-js-debugger 1.0.8-0.2.el2, +1 more Red Hat Enterprise Linux WS version 3 seamonkey 1.0.8-0.2.el3, seamonkey-nss 1.0.8-0.2.el3, seamonkey-chat 1.0.8-0.2.el3, seamonkey-mail 1.0.8-0.2.el3, seamonkey-nspr 1.0.8-0.2.el3, seamonkey-js-debugger 1.0.8-0.2.el3, +1 more Red Hat Enterprise Linux WS version 4 devhelp 0.10-0.7.el4, seamonkey 1.0.8-0.2.el4, firefox 1.5.0.10-0.1.el4, seamonkey-chat 1.0.8-0.2.el4, seamonkey-mail 1.0.8-0.2.el4, thunderbird 1.5.0.10-0.1.el4, +2 more
    +1 more products
    Red Hat Linux Advanced Workstation 2.1 seamonkey 1.0.8-0.2.el2, seamonkey-nss 1.0.8-0.2.el2, seamonkey-chat 1.0.8-0.2.el2, seamonkey-mail 1.0.8-0.2.el2, seamonkey-nspr 1.0.8-0.2.el2, seamonkey-js-debugger 1.0.8-0.2.el2, +1 more
    fixed: vendor fix RHSA-2007:0077

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

1.77% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securityfocus.com http://www.securityfocus.com/bid/22396 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

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.