CVE-2018-1999024

What it is

MathJax version prior to version 2.7.4 contains a Cross Site Scripting (XSS) vulnerability in the \unicode{} macro that can result in Potentially untrusted Javascript running within a web browser. This attack appear to be exploitable via The victim must view a page where untrusted content is processed using Mathjax. This vulnerability appears to have been fixed in 2.7.4 and later.

At a glance

Exploitability

Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.

Exploit odds

1.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2018-07-23 16:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 01:48 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.4% in the next 30 days (EPSS).
• Severity: 5.4 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2018-07-23 16:29 UTC

Last modified

2026-06-17 01:48 UTC

Exploit probability

1.4% · EPSS, next 30 days

Weakness

CWE-79 · Cross-site scripting

Record status

Modified

Affected

• Mathjax < 2.7.4

Attack profile CVSS 3.0 · 5.4

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2018-1999024.md and follow it. Check whether this project is affected by CVE-2018-1999024. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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