CVE-2015-3257 zend-diactoros Cross-site Scripting (XSS)
Remote attackers can execute cross-site scripting or open redirect attacks due to improper path sanitization in the Zend Diactoros library.
- 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
- Available
What is CVE-2015-3257?
CVE-2015-3257 is a medium-severity cross-site scripting vulnerability in n/a, published on 25 Aug 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
Zend/Diactoros/Uri::filterPath in zend-diactoros before 1.0.4 does not properly sanitize path input, which allows remote attackers to perform cross-site scripting (XSS) or open redirect attacks.
Weakness: CWE-79
Which versions are affected by CVE-2015-3257?
2 open source packages ship an affected version, including zendframework/zend-diactoros. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
zendframework/zend-diactoros Packagist | From 1.0.0 | 1.0.4 |
zendframework/zend-diactoros Packagist | From 1.0.0 | 1.0.4 |
Products include Zend Diactoros.
How do I fix CVE-2015-3257?
Upgrade zendframework/zend-diactoros to 1.0.4 or later.
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-2015-3257 being exploited?
There is no known exploitation of CVE-2015-3257 in the wild and no public exploit code.
Sources
Also known as GHSA-rh3c-7wqx-6w95.