CVE-2015-3295 Cross-site scripting in n/a
Attackers can inject malicious scripts via data URLs in markdown-it, leading to cross-site scripting attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-3295?
CVE-2015-3295 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Jun 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
markdown-it before 4.1.0 does not block data: URLs.
Weakness: CWE-284
Which versions are affected by CVE-2015-3295?
It affects 1 product.
Products include Markdown-It Project Markdown-It.
How do I fix CVE-2015-3295?
Upgrade to a fixed version.
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-2015-3295 being exploited?
There is no known exploitation of CVE-2015-3295 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2026-2327 markdown-it is has a Regular Expression Denial of Service (ReDoS)
- CVE-2025-7969 Markdown-it 14.1.0 - Cross-site scripting (XSS)
- CVE-2026-48988 markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations
- CVE-2022-21670 Uncontrolled Resource Consumption in markdown-it
- CVE-2015-10005 markdown-it html_re.js redos
Sources
Also known as DEBIAN-CVE-2015-3295, GHSA-qfv2-8p99-wj5c.