CVE-2017-5542 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via the existing-folder parameter in Symphony CMS, potentially leading to session hijacking or malicious actions.
- 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-2017-5542?
CVE-2017-5542 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 Jan 2017. 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
Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.
Weakness: CWE-79
Which versions are affected by CVE-2017-5542?
It affects 1 product.
Products include Getsymphony Symphony.
How do I fix CVE-2017-5542?
No fix has been published for CVE-2017-5542 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-2017-5542 being exploited?
There is no known exploitation of CVE-2017-5542 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-c85w-jj23-c8xm.