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.
CVE-2025-57756
This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 79% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EG Risk
- —
- EPSS
- 18.3%
- KEV
- Not listed
Published
August 28, 2025
Last Modified
September 2, 2025
References (3)
- security-advisories@githubhttps://contao.org/en/security-advisories/information-disclosure-in-the-front-end-search-index
- security-advisories@githubhttps://github.com/contao/contao/commit/a03976c459b6f3985a28f6488b82a76ffb6c0514
- security-advisories@githubhttps://github.com/contao/contao/security/advisories/GHSA-2xmj-8wmq-7475
Affected Packages
(2 across 1 ecosystem)
Packagist(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| contao/contao | 5.4.0 ... 5.6.0-RC3 (44 versions) | 5.6.1 | — |
| contao/core-bundle | 5.4.0 ... 5.6.0-RC3 (44 versions) | 5.6.1 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 42× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-22 14:08 UTCEPSS rescore
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- 2026-07-06 16:11 UTCOSV refresh
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- 2026-06-18 04:13 UTCOSV refresh
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- 2026-05-31 22:30 UTCEPSS rescore
- 2026-05-31 22:30 UTCEPSS rescore
- 2026-05-29 23:45 UTCEG score recompute
- 2026-05-29 19:20 UTCOSV refresh
- 2026-05-29 13:44 UTCEPSS rescore
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2025-57756?
When was CVE-2025-57756 disclosed?
Is CVE-2025-57756 actively exploited?
What is the CVSS score of CVE-2025-57756?
How do I remediate CVE-2025-57756?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-57756
Is Your Infrastructure Affected by CVE-2025-57756?
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