CVE-2020-15092: In TimelineJS before version 3.7.0, some user data renders as HTML

Q: How do I fix CVE-2020-15092?

timelinejs: upgrade to 3.7.0. Exact commands for each OS are on this page.

Q: Is CVE-2020-15092 being exploited?

CVE-2020-15092 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-15092 affect?

CVE-2020-15092 affects timelinejs. Severity is high (CVSS 7.2). In TimelineJS before version 3.7.0, some user data renders as HTML. An attacker could implement an XSS exploit with maliciously crafted content in a number of data fields. This risk is present whether the source data for the timeline is sto

This month

HIGH 7.2UPGRADE

CVE-2020-15092 is a high-severity flaw (CVSS 7.2) affecting timelinejs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In TimelineJS before version 3.7.0, some user data renders as HTML. An attacker could implement an XSS exploit with maliciously crafted content in a number of data fields. This risk is present whether the source data for the timeline is stored on Google Sheets or in a JSON configuration file. Most TimelineJS users configure their timeline with a Google Sheets document. Those users are exposed to this vulnerability if they grant write access to th

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-07-09
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: northwestern

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-07-09 19:15 UTCPublished CVE record published
2026-06-17 02:56 UTCUpdated Record last modified

northwestern timelinejs UPGRADE

Affected: < 3.7.0

Fixed in: 3.7.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy timelinejs || rpm -q timelinejs || timelinejs --version

2. UPGRADE to 3.7.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade timelinejs

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade timelinejs

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-15092?

timelinejs: upgrade to 3.7.0. Exact commands for each OS are on this page.

Is CVE-2020-15092 being exploited?

CVE-2020-15092 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-15092 affect?

CVE-2020-15092 affects timelinejs. Severity is high (CVSS 7.2). In TimelineJS before version 3.7.0, some user data renders as HTML. An attacker could implement an XSS exploit with maliciously crafted content in a number of data fields. This risk is present whether the source data for the timeline is sto

How urgent is CVE-2020-15092?

Priority 41/100. High severity

References

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