Safari in Mac OS X before 10.3.5, after sending form data using the POST method, may re-send the data to a GET method URL if that URL is redirected after the POST data and the user uses the forward or backward buttons, which may cause an information leak.
http://lists.apple.com/mhonarc/security-announce/msg00056.html
Source: MITRE
Published: 2004-11-23
Updated: 2017-07-11
Type: NVD-CWE-Other
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM