How severe is CVE-2025-57756?

CVE-2025-57756 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-57756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-57756?

CVE-2025-57756 affects Contao. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-57756?

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

Does CVE-2025-57756 have an EU (EUVD) identifier?

Yes. CVE-2025-57756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26127.

When was CVE-2025-57756 published?

CVE-2025-57756 was published on 2025-08-28 and last updated on 2026-06-17.

CVE-2025-57756

CVE-2025-57756 is a medium-severity vulnerability in Contao with a CVSS 3.x base score of 5.3. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26127
Weakness: CWE-200
Affected product: Contao
Published: 2025-08-28
Last modified: 2026-06-17

Description

Contao is an Open Source CMS. In versions starting from 4.9.14 and prior to 4.13.56, 5.3.38, and 5.6.1, protected content elements that are rendered as fragments are indexed and become publicly available in the front end search. This issue has been patched in versions 4.13.56, 5.3.38, and 5.6.1. A workaround involves disabling the front end search.

Frequently asked questions

What is CVE-2025-57756?: Contao is an Open Source CMS. In versions starting from 4.9.14 and prior to 4.13.56, 5.3.38, and 5.6.1, protected content elements that are rendered as fragments are indexed and become publicly available in the front end search. This issue has been patched in versions 4.13.56, 5.3.38, and 5.6.1. A workaround involves disabling the front end search.
How severe is CVE-2025-57756?: CVE-2025-57756 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-57756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-57756?: CVE-2025-57756 affects Contao. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-57756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-57756 have an EU (EUVD) identifier?: Yes. CVE-2025-57756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26127.
When was CVE-2025-57756 published?: CVE-2025-57756 was published on 2025-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*

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