How severe is CVE-2025-31475?

CVE-2025-31475 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-31475 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-31475?

CVE-2025-31475 affects Amauri Tarteaucitronjs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-31475?

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

Does CVE-2025-31475 have an EU (EUVD) identifier?

Yes. CVE-2025-31475 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10042.

When was CVE-2025-31475 published?

CVE-2025-31475 was published on 2025-04-07 and last updated on 2026-06-17.

CVE-2025-31475

CVE-2025-31475 is a medium-severity vulnerability in Amauri Tarteaucitronjs with a CVSS 3.x base score of 5.5. 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-1321.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10042
Weakness: CWE-1321
Affected product: Amauri Tarteaucitronjs
Published: 2025-04-07
Last modified: 2026-06-17

Description

tarteaucitron.js is a compliant and accessible cookie banner. A vulnerability was identified in tarteaucitron.js prior to 1.20.1, where the addOrUpdate function, used for applying custom texts, did not properly validate input. This allowed an attacker with direct access to the site's source code or a CMS plugin to manipulate JavaScript object prototypes, leading to potential security risks such as data corruption or unintended code execution. An attacker with high privileges could exploit this vulnerability to modify object prototypes, affecting core JavaScript behavior, cause application crashes or unexpected behavior, or potentially introduce further security vulnerabilities depending on the application's architecture. This vulnerability is fixed in 1.20.1.

Frequently asked questions

What is CVE-2025-31475?: tarteaucitron.js is a compliant and accessible cookie banner. A vulnerability was identified in tarteaucitron.js prior to 1.20.1, where the addOrUpdate function, used for applying custom texts, did not properly validate input. This allowed an attacker with direct access to the site's source code or a CMS plugin to manipulate JavaScript object prototypes, leading to potential security risks such as data corruption or unintended code execution. An attacker with high privileges could exploit this vulnerability to modify object prototypes, affecting core JavaScript behavior, cause application crashes or unexpected behavior, or potentially introduce further security vulnerabilities depending on the application's architecture. This vulnerability is fixed in 1.20.1.
How severe is CVE-2025-31475?: CVE-2025-31475 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-31475 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-31475?: CVE-2025-31475 affects Amauri Tarteaucitronjs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-31475?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-31475 have an EU (EUVD) identifier?: Yes. CVE-2025-31475 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10042.
When was CVE-2025-31475 published?: CVE-2025-31475 was published on 2025-04-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:amauri:tarteaucitronjs:*:*:*:*:*:node.js:*:*

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