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Vulnerability record · CVE-2009-3010 · published 31 August 2009

CVE-2009-3010: Mozilla firefox cross-site scripting vulnerability

Mozilla · Firefox

Mozilla Firefox 3.0.13 and earlier, 3.5, 3.6 a1 pre, and 3.7 a1 pre; SeaMonkey 1.1.17; and Mozilla 1.7.x and earlier do not properly block data: URIs in Refresh headers in HTTP responses, which allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) injecting a Refresh header that contains JavaScript sequences in a data:text/html URI or (2) entering a data:text/html URI with JavaScript sequences when specifying the content of a Refresh header. NOTE: in some product versions, the JavaScript executes outside of the context of the HTTP site.

4.3 CVSS 2.0 Medium EPSS 1.9% · top 20.5% CWE-79 · Cross-site scripting
4.3CVSS 2.0 base score
1.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Mozilla Firefox 3.0.13 and earlier, 3.5, 3.6 a1 pre, and 3.7 a1 pre; SeaMonkey 1.1.17; and Mozilla 1.7.x and earlier do not properly block data: URIs in Refresh headers in HTTP responses, which allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) injecting a Refresh header that contains JavaScript sequences in a data:text/html URI or (2) entering a data:text/html URI with JavaScript sequences when specifying the content of a Refresh header. NOTE: in some product versions, the JavaScript executes outside of the context of the HTTP site.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://websecurity.com.ua/3315/ Exploit
http://websecurity.com.ua/3386/ Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/52999 Third Party AdvisoryVDB Entry
http://websecurity.com.ua/3315/ Exploit
http://websecurity.com.ua/3386/ Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/52999 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-3010), CISA KEV, FIRST EPSS (scores of 2026-11-14). This page is refreshed as NVD updates the record.