CVE-2021-31537 Cross-site scripting in n/a
Cross-site scripting vulnerability in SIS SIS-REWE Go allows attackers to inject malicious scripts via web parameters, potentially leading to session hijacking or code execution.
- 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-2021-31537?
CVE-2021-31537 is a medium-severity cross-site scripting vulnerability in n/a, published on 11 May 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
SIS SIS-REWE Go before 7.7 SP17 allows XSS: rewe/prod/web/index.php (affected parameters are config, version, win, db, pwd, and user) and /rewe/prod/web/rewe_go_check.php (version and all other parameters).
Weakness: CWE-79
Which versions are affected by CVE-2021-31537?
It affects 1 product.
Products include Sisinformatik Sis-Rewe Go.
How do I fix CVE-2021-31537?
No fix has been published for CVE-2021-31537 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-2021-31537 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-31537 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-mgqg-3547-m3xx.