How severe is CVE-2015-3295?

CVE-2015-3295 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2015-3295 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3295?

CVE-2015-3295 affects Markdown-it Project Markdown-it. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3295?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-3295 published?

CVE-2015-3295 was published on 2017-06-07 and last updated on 2026-06-17.

CVE-2015-3295

CVE-2015-3295 is a medium-severity vulnerability in Markdown-it Project Markdown-it with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Markdown-it Project Markdown-it
Published: 2017-06-07
Last modified: 2026-06-17

Description

markdown-it before 4.1.0 does not block data: URLs.

Frequently asked questions

What is CVE-2015-3295?: markdown-it before 4.1.0 does not block data: URLs.
How severe is CVE-2015-3295?: CVE-2015-3295 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2015-3295 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3295?: CVE-2015-3295 affects Markdown-it Project Markdown-it. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3295?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3295 published?: CVE-2015-3295 was published on 2017-06-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:markdown-it_project:markdown-it:4.0.3:*:*:*:*:*:*:*

More vulnerabilities in Markdown-it Project Markdown-it

CVE-2025-7969 — Medium (CVSS 6.1): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in…
CVE-2026-48988 — Medium (CVSS 5.3): markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer:…
CVE-2026-2327 — Medium (CVSS 5.3): Versions of the package markdown-it from 13.0.0 and before 14.1.1 are vulnerable to Regular Expression Denial of…
CVE-2022-21670 — Medium (CVSS 5.3): markdown-it is a Markdown parser. Prior to version 1.3.2, special patterns with length greater than 50 thousand…
CVE-2015-10005 — Low (CVSS 3.5): A vulnerability was found in markdown-it up to 2.x. It has been classified as problematic. Affected is an unknown…

All CVEs affecting Markdown-it Project Markdown-it →

Other CWE-284 (Improper Access Control) vulnerabilities

CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…

Browse all CWE-284 (Improper Access Control) vulnerabilities →