CVE-2020-5747 Cross-site scripting in TCExam
Remote authenticated attackers can execute persistent cross-site scripting attacks in TCExam by creating crafted tests, potentially leading to session hijacking or malicious 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-2020-5747?
CVE-2020-5747 is a medium-severity cross-site scripting vulnerability in TCExam, published on 7 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Insufficient output sanitization in TCExam 14.2.2 allows a remote, authenticated attacker to conduct persistent cross-site scripting (XSS) attacks by creating a crafted test.
Weakness: CWE-79
Which versions are affected by CVE-2020-5747?
It affects 1 product.
Products include Tecnick Tcexam.
How do I fix CVE-2020-5747?
No fix has been published for CVE-2020-5747 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-2020-5747 being exploited?
There is no known exploitation of CVE-2020-5747 in the wild and no public exploit code.
Other vulnerabilities in TCExam
Sources
Also known as GHSA-cp5j-vccm-fqwx.