CVE-2023-22843 Stored Cross-Site Scripting (XSS) in Threat Intelligence rules in Guardian/CMC before 22.6.2
An authenticated admin can inject malicious JavaScript into Threat Intelligence rules, allowing execution against other users viewing the rules.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-22843?
CVE-2023-22843 is a high-severity cross-site scripting vulnerability in Nozomi Networks CMC, published on 9 Aug 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
An authenticated attacker with administrative access to the web management interface can inject malicious JavaScript code inside the definition of a Threat Intelligence rule, that will be stored and can later be executed by another legitimate user viewing the details of such a rule. Via stored Cross-Site Scripting (XSS), an attacker may be able to perform unauthorized actions on behalf of legitimate users and/or gather sensitive information. JavaScript injection was possible in the contents for Yara rules, while limited HTML injection has been proven for packet and STYX rules.
Weakness: CWE-79
Which versions are affected by CVE-2023-22843?
It affects 2 products.
Products include Nozominetworks Cmc, Nozominetworks Guardian.
How do I fix CVE-2023-22843?
No fix has been published for CVE-2023-22843 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-2023-22843 being exploited?
There is no known exploitation of CVE-2023-22843 in the wild and no public exploit code.
Other vulnerabilities in Nozomi Networks CMC
- CVE-2023-29245 SQL Injection on IDS parsing of malformed asset fields in Guardian/CMC >= 22.6.0 before 22.6.3 and 23.1.0
- CVE-2026-31984 DoS through oversized audit log entries in Guardian/CMC before 26.2.0
- CVE-2023-2567 Authenticated SQL Injection on Query functionality in Guardian/CMC before 22.6.3 and 23.1.0
- CVE-2023-22378 Authenticated Blind SQL Injection on sorting in Guardian/CMC before 22.6.2
- CVE-2023-23574 Authenticated Blind SQL Injection on alerts count in Guardian/CMC before 22.6.2
Sources
Also known as GHSA-5cwq-4hm6-gp6g.