TI-2016-08573 Aliases CVE-2016-10531 GHSA-vfvf-mqq8-rwqc

Cross-site scripting in HackerOne marked node module

LOW 30CWE-79Published 2018-05-31 · Updated 2024-09-17

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

marked is an application that is meant to parse and compile markdown. Due to the way that marked 0.3.5 and earlier parses input, specifically HTML entities, it's possible to bypass marked's content injection protection (`sanitize: true`) to inject a `javascript:` URL. This flaw exists because `&#xNNanything;` gets parsed to what it could and leaves the rest behind, resulting in just `anything;` being left.

Why it matters now

EPSS 0.0144 73rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed marked (npm): 0.3.6

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
HackerOne	marked node module	up to 0.3.5	—	No fix listed	CNA
—	marked (npm)	before 0.3.6	0.3.6	Patch available	GHSA-vfvf-mqq8-rwqc

marked node module VendorHackerOne Affected up to 0.3.5 Fixed in — No fix listed CNA
marked (npm) Vendor— Affected before 0.3.6 Fixed in 0.3.6 Patch available GHSA-vfvf-mqq8-rwqc

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:marked_project:marked::::::node.js::*	up to 0.3.5	Vulnerable	markedjs

cpe:2.3:a:marked_project:marked:*:*:*:*:*:node.js:*:* Versions up to 0.3.5 Vulnerable ·markedjs

Remediation

Fix · GHSA-vfvf-mqq8-rwqc marked (npm) Fixed in 0.3.6 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2016-10531
2026-10-03 Alias added: GHSA-vfvf-mqq8-rwqc

References

Exploit 1

https://github.com/chjj/marked/pull/592

Patch 1

https://github.com/chjj/marked/pull/592/commits/2cff85979be8e7a026a9aca35542c470cf5da523

Advisory 3

Other 1

https://www.npmjs.com/advisories/101

TI-2026-30197 Marked: OOM Denial of Service via Infinite Recursion in marked Tokenizer CVSS 4.0HIGH 8.7
TI-2022-06057 Exponential catastrophic backtracking (ReDoS) in marked CVSS 3.1HIGH 7.5
TI-2022-06056 Cubic catastrophic backtracking (ReDoS) in marked CVSS 3.1HIGH 7.5
TI-2018-15336 Regular Expression Denial of Service (ReDoS) in markedjs/marked CVSS 4.0MEDIUM 6.9
TI-2015-07284 The marked package before 0.3.4 for Node.js allows attackers to cause a denial of service… CVSS 3.1HIGH 7.5
TI-2021-04406 Denial of Service in Marked CVSS 3.1HIGH 7.5

See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences