CVE-2021-40310 Cross-site scripting in n/a
An attacker can inject malicious scripts via the cp_id_miss_attn parameter in TakeAttendance.php, potentially compromising user sessions.
- 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-2021-40310?
CVE-2021-40310 is a medium-severity cross-site scripting vulnerability in Os4ed Opensis, published on 24 Sep 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
OpenSIS Community Edition version 8.0 is affected by a cross-site scripting (XSS) vulnerability in the TakeAttendance.php via the cp_id_miss_attn parameter.
Weakness: CWE-79
Which versions are affected by CVE-2021-40310?
It affects 1 product.
Products include Os4ed Opensis.
How do I fix CVE-2021-40310?
No fix has been published for CVE-2021-40310 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-2021-40310 being exploited?
There is no known exploitation of CVE-2021-40310 in the wild and no public exploit code.
Other vulnerabilities in Os4ed Opensis
Sources
Also known as GHSA-3xrw-4r8r-42q3.