What’s Vulnerable › Vulnerabilities

CVE-2008-5507

• Severity: medium (CVSS 6.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2008-12-17 · updated 2026-06-16
• Weakness: CWE-200

Description

Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 allow remote attackers to bypass the same origin policy and access portions of data from another domain via a JavaScript URL that redirects to the target resource, which generates an error if the target data does not have JavaScript syntax, which can be accessed using the window.onerror DOM API.

Affected products

• Canonical Ubuntu Linux: 6.06, 7.10, 8.04, 8.10
• Debian Linux: 4.0, 5.0
• Mozilla Firefox: from 2.0 before 2.0.0.19; from 3.0 before 3.0.5 — fixed in 2.0.0.19, 3.0.5
• Mozilla Seamonkey: from 1.0 before 1.1.14 — fixed in 1.1.14
• Mozilla Thunderbird: from 2.0 before 2.0.0.19 — fixed in 2.0.0.19

How to fix

Upgrade to a fixed version: Mozilla Firefox 2.0.0.19, 3.0.5; Mozilla Seamonkey 1.1.14; Mozilla Thunderbird 2.0.0.19. Check the vendor advisory for mitigations.

References

• http://scary.beasts.org/security/CESA-2008-011.html
• http://secunia.com/advisories/33184
• http://secunia.com/advisories/33188
• http://secunia.com/advisories/33189
• http://secunia.com/advisories/33203
• http://secunia.com/advisories/33204
• http://secunia.com/advisories/33205
• http://secunia.com/advisories/33216
• http://secunia.com/advisories/33231
• http://secunia.com/advisories/33232
• http://secunia.com/advisories/33408
• http://secunia.com/advisories/33415

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