CVE-2025-57756 | Contao discloses sensitive information in the front end search index

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.

Published: 2025-08-28 Last update: 2025-09-02 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-57756 is rated Low Risk (27.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.27%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-57756

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.07% 0.27% +0.20%
2 2026-05-14 0.04% 0.07% +0.03%
3 2026-01-24 0.04%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-57756

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]

Weakness enumeration for CVE-2025-57756

GitHub Security Advisory for CVE-2025-57756

GHSA-2xmj-8wmq-7475 · Severity: medium · Ecosystem: composer — Contao discloses sensitive information in the front end search index

Affected software / configurations for CVE-2025-57756

Vendor Product Version Raw CPE
contao contao >= 4.9.0, <= 4.9.14 cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
contao contao >= 4.10.0, < 4.13.56 cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
contao contao >= 5.0.0, < 5.3.38 cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*
contao contao >= 5.4.0, < 5.6.1 cpe:2.3:a:contao:contao:*:*:*:*:*:*:*:*

References for CVE-2025-57756

cvelogic Threat Intelligence