CVE-2021-20543 Cross-site scripting in Jazz Team Server
Remote attackers can inject malicious HTML into IBM Jazz Team Server, leading to script execution in victims' browsers within the site's security context.
- 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-2021-20543?
CVE-2021-20543 is a medium-severity cross-site scripting vulnerability in IBM Jazz Team Server, published on 24 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
IBM Jazz Team Server 6.0.6, 6.0.6.1, 7.0, 7.0.1, and 7.0.2 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site. IBM X-Force ID: 198929.
Weakness: CWE-79
Which versions are affected by CVE-2021-20543?
It affects 1 product.
Products include Ibm Jazz Team Server.
How do I fix CVE-2021-20543?
No fix has been published for CVE-2021-20543 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-2021-20543 being exploited?
There is no known exploitation of CVE-2021-20543 in the wild and no public exploit code.
Other vulnerabilities in IBM Jazz Team Server
Sources
Also known as GHSA-977j-fwfr-rmx9.