CVE-2026-90845 PHPGurukul Daily Expense Tracker System sidebar.php cross site scripting
Remote attackers can inject malicious scripts via the FullName parameter in the sidebar, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-90845?
CVE-2026-90845 is a medium-severity cross-site scripting vulnerability in PHPGurukul Daily Expense Tracker System, published on 15 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A flaw has been found in PHPGurukul Daily Expense Tracker System 1.1. This issue affects some unknown processing of the file /dets/includes/sidebar.php. Executing a manipulation of the argument FullName can lead to cross site scripting. The attack can be executed remotely. The exploit has been published and may be used.
Which versions are affected by CVE-2026-90845?
How do I fix CVE-2026-90845?
No fix has been published for CVE-2026-90845 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-2026-90845 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90845 exists.
Sources
Also known as GHSA-mvhf-v9x4-ww6j.