CVE-2015-3295
markdown-it before 4.1.0 does not block data: URLs.
markdown-it before 4.1.0 does not block data: URLs.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
markdown-it before 4.1.0 does not block data: URLs.
- Record
CVE-2015-3295- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
CVE List No score
markdown-it before 4.1.0 does not block data: URLs.
- Record
CVE-2015-3295- Updated
- 2026-11-02
EUVDEUVD-2015-3342 No score
markdown-it before 4.1.0 does not block data: URLs.
- Record
EUVD-2015-3342- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qfv2-8p99-wj5c
markdown-it before 4.1.0 does not block data: URLs.
markdown-it before 4.1.0 does not block data: URLs.
- Record
GHSA-qfv2-8p99-wj5c- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
OSV
markdown-it before 4.1.0 does not block data: URLs.
- Record
CVE-2015-3295- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2015-3295
markdown-it before 4.1.0 does not block data: URLs.
- Record
DEBIAN-CVE-2015-3295- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ruby-rails-assets-markdown-itDebian:12 |
before 4.2.1-1 | 4.2.1-1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-3295 is a medium vulnerability (CVSS 5.3) in Markdown-it Project Markdown-it, published June 7, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.29%, the 70th percentile. Fixed in ruby-rails-assets-markdown-it 4.2.1-1.