CVE-2023-23956 Cross-site scripting in Symantec SiteMinder WebAgent
Attackers can inject malicious scripts into the Symantec SiteMinder WebAgent, allowing execution in victim browsers and potential session hijacking.
- 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-2023-23956?
CVE-2023-23956 is a medium-severity cross-site scripting vulnerability in Symantec SiteMinder WebAgent, published on 30 May 2023. 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
A user can supply malicious HTML and JavaScript code that will be executed in the client browser
Weakness: CWE-79
Which versions are affected by CVE-2023-23956?
It affects 1 product.
Products include Broadcom Symantec Siteminder Webagent.
How do I fix CVE-2023-23956?
No fix has been published for CVE-2023-23956 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-2023-23956 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-23956 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-gppq-ggm3-q93m.