EUVD-2026-53313
GHSA-q389-cg45-h4hc
Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
PR:N confirmed by absent auth decorator; C:L added over NVD C:N to reflect referrer-based token leakage of sensitive URL-embedded credentials in redirect chains.
Primary rating from Vendor (309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c).
CVSS VectorVendor: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Lifecycle Timeline
1DescriptionCVE.org
DjangoCRM's toggle_default_sorting view is the only route in common/urls.py that is not wrapped in login_required or staff_member_required, and it redirects to a caller-supplied next_url GET parameter after only checking secure_url(next_url), which merely verifies the target host matches the current site's domain (blocking only cross-domain redirects) while allowing any same-site path with no authentication required to reach the view. This enables unauthenticated phishing redirects and referrer-based token leakage via redirect chains.
AnalysisAI
Unauthenticated open redirect in DjangoCRM's toggle_default_sorting view exposes users to same-site phishing and referrer-based token leakage. The endpoint is the sole route in common/urls.py lacking a login_required or staff_member_required decorator, and it redirects to a caller-supplied next_url GET parameter after only a domain-level check via secure_url() - permitting redirection to any arbitrary same-site path without authentication. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The toggle_default_sorting endpoint must be directly reachable over the network - no upstream authentication gateway or IP restriction may block it. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 4.3 (AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N) correctly identifies the low-complexity, network-accessible, unauthenticated nature of the attack and appropriately sets I:L for same-site redirect manipulation with no scope change. … 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 | The primary fix is to add a login_required or staff_member_required decorator to the toggle_default_sorting view in common/urls.py, consistent with all other routes in that URL configuration - this closes the authentication gap entirely. … Detailed patch versions, workarounds, and compensating controls in full report. |
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