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CVE-2009-3988

17
FAUCET Score

CVE-2009-3988 describes a Same Origin Policy bypass vulnerability in Mozilla Firefox versions 3.0.x before 3.0.18 and 3.5.x before 3.5.8, and SeaMonkey before 2.0.3. This flaw allows remote attackers to conduct cross-site scripting (XSS) attacks by manipulating dialogArguments values within the showModalDialog function. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having low attack complexity, potentially leading to information disclosure. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.0.17CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0.1:*:*:*:*:*:*:*
3.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0.2:*:*:*:*:*:*:*
3.0.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.15%
Probability of exploitation in next 30 days
EPSS Percentile
80.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0215 is in the 69th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.0.18-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.0.18-1.el5_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.0.18-1.el5_4
View patch

Vendor Advisories (1)

redhatCVE-2009-3988Moderate

Mozilla violation of same-origin policy due to properties set on objects passed to showModalDialog (MFSA 2010-04)

Feb 17, 2010

References

lists.fedoraproject.org / pipermail/package-announce/2010-February/035346.html
lists.fedoraproject.org / pipermail/package-announce/2010-February/035367.html
lists.fedoraproject.org / pipermail/package-announce/2010-February/035426.html
lists.opensuse.org / opensuse-security-announce/2010-03/msg00001.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/37242
secunia.com / advisories/38847
exchange.xforce.ibmcloud.com / vulnerabilities/56362
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8355
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9384
debian.org / security/2010/dsa-1999
mandriva.com / security/advisories
mozilla.org / security/announce/2010/mfsa2010-04.html
redhat.com / support/errata/RHSA-2010-0112.html
ubuntu.com / usn/USN-895-1
ubuntu.com / usn/USN-896-1
vupen.com / english/advisories/2010/0405