CVE-2020-21729 Cross-site scripting in n/a
Attackers can execute arbitrary scripts in JEECMS via stored XSS in the member VIP center, potentially compromising user sessions.
- 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-2020-21729?
CVE-2020-21729 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
JEECMS x1.1 contains a stored cross-site scripting (XSS) vulnerability in the component of /member-vipcenter.htm, which allows attackers to execute arbitrary web scripts or HTML via a crafted payload.
Weakness: CWE-79
Which versions are affected by CVE-2020-21729?
It affects 1 product.
Products include Jeecms Jeecms X.
How do I fix CVE-2020-21729?
No fix has been published for CVE-2020-21729 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-2020-21729 being exploited?
There is no known exploitation of CVE-2020-21729 in the wild and no public exploit code.
Sources
Also known as GHSA-xj3p-jj6q-38cj.