Sensitive Cookie in HTTPS Session Without 'Secure' Attribute in flatpressblog/flatpress


Reported on

Sep 2nd 2021

✍️ Description

The secure flag is not set for session cookies in the application.

🕵️‍♂️ Proof of Concept

Cookie Without Secure Flag

💥 Impact

If the secure flag is set on a cookie, then browsers will not submit the cookie in any requests that use an unencrypted HTTP connection, thereby preventing the cookie from being trivially intercepted by an attacker monitoring network traffic. If the secure flag is not set, then the cookie will be transmitted in clear-text if the user visits any HTTP URLs within the cookie's scope. An attacker may be able to induce this event by feeding a user suitable links, either directly or via another web site.

We have contacted a member of the flatpressblog/flatpress team and are waiting to hear back a year ago
We have sent a follow up to the flatpressblog/flatpress team. We will try again in 7 days. a year ago
flatpressblog/flatpress maintainer validated this vulnerability a year ago
Melbin Mathew Antony has been awarded the disclosure bounty
The fix bounty is now up for grabs
flatpressblog/flatpress maintainer marked this as fixed with commit e2a6bf a year ago
The fix bounty has been dropped
This vulnerability will not receive a CVE
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