CVE-2023-4284 Post Timeline < 2.2.6 - Reflected XSS
Reflected XSS in Post Timeline plugin allows attackers to execute scripts in admin sessions, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-4284?
CVE-2023-4284 is a medium-severity cross-site scripting vulnerability in Unknown Post Timeline, published on 4 Sep 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Post Timeline WordPress plugin before 2.2.6 does not sanitise and escape an invalid nonce before outputting it back in an AJAX response, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin
Which versions are affected by CVE-2023-4284?
It affects 1 product.
Products include Agilelogix Post Timeline.
How do I fix CVE-2023-4284?
No fix has been published for CVE-2023-4284 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2023-4284 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4284 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Unknown Post Timeline
Sources
Also known as GHSA-cr5g-2488-7c46.