CVE-2025-31138: tarteaucitron.js is a compliant and accessible cookie banner

Routine

MEDIUM 5.5UPGRADE

CVE-2025-31138 is a medium-severity flaw (CVSS 5.5) affecting tarteaucitronjs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

tarteaucitron.js is a compliant and accessible cookie banner. A vulnerability was identified in tarteaucitron.js prior to 1.20.1, where user-controlled inputs for element dimensions (width and height) were not properly validated. This allowed an attacker with direct access to the site's source code or a CMS plugin to set values like 100%;height:100%;position:fixed;, potentially covering the entire viewport and facilitating clickjacking attacks. A

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-1021
Published	2025-04-07
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2025-04-07 15:15 UTCPublished CVE record published
2026-06-17 09:09 UTCUpdated Record last modified

amauri tarteaucitronjs UPGRADE

Affected: < 1.20.1

Fixed in: 1.20.1

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls tarteaucitronjs

2. UPGRADE to 1.20.1

npm install tarteaucitronjs@">=1.20.1"

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-2025-31138?

tarteaucitronjs: upgrade to 1.20.1. Exact commands for each OS are on this page.

Is CVE-2025-31138 being exploited?

CVE-2025-31138 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-2025-31138 affect?

CVE-2025-31138 affects tarteaucitronjs. Severity is medium (CVSS 5.5). tarteaucitron.js is a compliant and accessible cookie banner. A vulnerability was identified in tarteaucitron.js prior to 1.20.1, where user-controlled inputs for element dimensions (width and height) were not properly validated. This allow

How urgent is CVE-2025-31138?

Priority 24/100. No elevated risk signals yet.

Related CVEs

CVE-2026-22809 MEDIUM 4.4 UPGRADE tarteaucitron.js is a compliant and accessible cookie banner
CVE-2025-48939 MEDIUM 4.2 UPGRADE tarteaucitron.js is a compliant and accessible cookie banner
CVE-2025-31476 MEDIUM 4.8 UPGRADE UPGRADE tarteaucitron.js is a compliant and accessible cookie banner
CVE-2025-31475 MEDIUM 5.5 UPGRADE tarteaucitron.js is a compliant and accessible cookie banner

References

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