CVE-2018-17876 Coaster CMS Stored Cross-site Scripting vulnerability
Attackers can inject malicious scripts into Coaster CMS pages, potentially stealing user sessions or executing code in victim browsers.
- 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-2018-17876?
CVE-2018-17876 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Oct 2018. 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
A Stored XSS vulnerability has been discovered in the v5.5.0 version of the Coaster CMS product.
Weakness: CWE-79
Which versions are affected by CVE-2018-17876?
2 open source packages ship an affected version, including web-feet/coastercms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
web-feet/coastercms Packagist | All versions | None |
web-feet/coastercms Packagist | All versions | None |
Products include Web-Feet Coaster Cms.
How do I fix CVE-2018-17876?
No fix has been published for CVE-2018-17876 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-2018-17876 being exploited?
There is no known exploitation of CVE-2018-17876 in the wild and no public exploit code.
Sources
Also known as GHSA-77cq-wgpf-g449.