CVE-2017-5963 Cross-site scripting in n/a
An attacker can execute arbitrary HTML and script code in a browser via the paymillToken parameter in the caddy extension for TYPO3.
- 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-2017-5963?
CVE-2017-5963 is a medium-severity cross-site scripting vulnerability in n/a, published on 12 Feb 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
An issue was discovered in caddy (for TYPO3) before 7.2.10. The vulnerability exists due to insufficient filtration of user-supplied data in the "paymillToken" HTTP POST parameter passed to the "caddy/Resources/Public/JavaScript/e-payment/paymill/api/php/payment.php" URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.
Weakness: CWE-79
Which versions are affected by CVE-2017-5963?
It affects 1 product.
Products include Caddy Project Caddy.
How do I fix CVE-2017-5963?
No fix has been published for CVE-2017-5963 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-2017-5963 being exploited?
There is no known exploitation of CVE-2017-5963 in the wild and no public exploit code.
Sources
Also known as GHSA-8c25-g8jq-vfpw.