EUVD-2026-43083
GHSA-vwxh-w8pq-6q99
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Open redirect requires victim interaction for phishing impact; low complexity and no authentication needed; partial confidentiality and integrity impact via spoofing, no availability impact.
Primary rating from Vendor (drupal).
CVSS VectorVendor: drupal
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
5DescriptionCVE.org
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.
AnalysisAI
Open redirect in Drupal Core across multiple major release branches enables phishing and content spoofing attacks by forwarding victims from a trusted Drupal domain to an attacker-controlled site via crafted URLs. The exposure spans the 10.x and 11.x release trains, creating a broad attack surface across the Drupal install base. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target Drupal site is running an affected version and that the victim user visits a specifically crafted URL - making this attack social-engineering-dependent. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS vector supplied (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H, reported score 5.9) contains two material inconsistencies that should be confirmed with the vendor before using it for prioritization decisions: first, the mathematical score for that vector computes to approximately 4.4-5.2, not 5.9; second, Availability:High with no Confidentiality or Integrity impact is semantically anomalous for CWE-601 - open redirect primitively affects Integrity (spoofed content delivery) and Confidentiality (credential harvesting) rather than Availability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker identifies a Drupal endpoint that accepts an unvalidated redirect destination parameter and crafts a URL on the legitimate site's domain - such as a login or password-reset page - that points the redirect to a credential-harvesting page mimicking the victim organization. The link is delivered via targeted phishing email; the victim trusts the URL because it resolves to a known domain before silently forwarding them to the attacker's site. … |
| Remediation | Apply the vendor-released patch documented in Drupal Security Advisory SA-CORE-2026-007 at https://www.drupal.org/sa-core-2026-007. … Detailed patch versions, workarounds, and compensating controls in full report. |
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