Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to bypass cross-site scripting (XSS) protection by changing the src attribute of an IMG element to a javascript: URI.
Category
Software security is not security software. Here we're concerned with topics like authentication, access control, confidentiality, cryptography, and privilege management.
6.8
CVSS
Severity: Medium
CVSS 2.0 •
AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS
Probability of exploitation activity in the next 30 days.
CVE-2006-6503 has been scored as a medium severity vulnerability.
How to fix CVE-2006-6503?
To fix CVE-2006-6503, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2006-6503 being actively exploited in the wild?
It is possible that CVE-2006-6503 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~21% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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