CVE-2020-23643 Cross-site scripting in n/a

Medium 6.1 Published 11 Jan 2021 Updated 4 Aug 2024

Cross-site scripting vulnerability in JIZHICMS allows attackers to inject malicious scripts via the WeChat check endpoint.

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-2020-23643?

CVE-2020-23643 is a medium-severity cross-site scripting vulnerability in n/a, published on 11 Jan 2021. 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

XSS exists in JIZHICMS 1.7.1 via index.php/Wechat/checkWeixin?signature=1&echostr={XSS] to Home/c/WechatController.php.

Weakness: CWE-79

Which versions are affected by CVE-2020-23643?

It affects 1 product.

Products include Jizhicms Jizhicms.

How do I fix CVE-2020-23643?

No fix has been published for CVE-2020-23643 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-2020-23643 being exploited?

There is no known exploitation of CVE-2020-23643 in the wild and no public exploit code.

Sources

Also known as GHSA-69r8-874p-8rwh.