EUVD-2026-87668
GHSA-3hv2-gxcf-jxpg
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Victim must connect to the malicious DB server (UI:R); attacker DB server compromises a separate Adminer origin (S:C); base impact is limited XSS (C:L/I:L), RCE only under non-default preconditions.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
Lifecycle Timeline
2DescriptionCVE.org
Adminer before 6.0.2 contains a cross-site scripting vulnerability where the CONNECTION_ID() database result is interpolated into JavaScript without proper escaping, allowing a malicious database server to execute arbitrary JavaScript in the authenticated Adminer origin. In co-located deployments where the database has FILE privileges and can write to the webroot, attackers can use the XSS to submit authenticated SQL requests that write PHP files via INTO DUMPFILE, achieving remote code execution as the web server account.
AnalysisAI
Cross-site scripting in Adminer before 6.0.2 allows a malicious database server to execute arbitrary JavaScript in an authenticated Adminer session by returning a crafted CONNECTION_ID() result that is interpolated into JavaScript without escaping. The base XSS requires a victim to initiate a connection to the malicious server (UI:P); in co-located deployments where the database account holds FILE privileges and the webroot is writable, this can escalate to remote code execution via SQL writes using INTO DUMPFILE. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an authenticated Adminer session that connects to an attacker-controlled or attacker-compromised database server (UI:P - the victim must initiate/accept the malicious DB connection); the malicious server returns a crafted CONNECTION_ID() result that Adminer versions before 6.0.2 interpolate into JavaScript without escaping. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a high-CVSS-context but moderate-real-risk issue. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: Adminer 6.0.2 and later. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
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External POC / Exploit Code
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