CVE-2020-29233 Cross-site scripting in n/a
Attackers can inject malicious scripts into page descriptions to steal user cookies, requiring an upgrade to WonderCMS.
- 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-2020-29233?
CVE-2020-29233 is a medium-severity cross-site scripting vulnerability in n/a, published on 30 Dec 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
WonderCMS 3.1.3 is affected by cross-site scripting (XSS) in the Page description component. This vulnerability can allow an attacker to inject the XSS payload in the Page description and each time any user will visits the website, the XSS triggers and attacker can steal the cookie according to the crafted payload.
Weakness: CWE-79
Which versions are affected by CVE-2020-29233?
It affects 1 product.
Products include Wondercms Wondercms.
How do I fix CVE-2020-29233?
No fix has been published for CVE-2020-29233 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-2020-29233 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-29233 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-6367-c2hm-87fh.