CVE-2023-53870 Jorani 1.0.3 Cross-Site Scripting Vulnerability via Language Parameter
Attackers can inject malicious scripts via the language parameter to steal user session information in Jorani.
- 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-2023-53870?
CVE-2023-53870 is a medium-severity cross-site scripting vulnerability in Jorani, published on 15 Dec 2025. 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
Jorani 1.0.3 contains a reflected cross-site scripting vulnerability in the language parameter that allows attackers to inject malicious scripts. Attackers can craft XSS payloads in the language parameter to execute arbitrary JavaScript and potentially steal user session information.
Weakness: CWE-79
Which versions are affected by CVE-2023-53870?
How do I fix CVE-2023-53870?
No fix has been published for CVE-2023-53870 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-2023-53870 being exploited?
There is no known exploitation of CVE-2023-53870 in the wild and no public exploit code.
Sources
Also known as GHSA-hw6c-m8mw-wr5w.