🛡️ CVE-2026-35404
🟡 CVSS 4.7 — Medium ⚠️ Exploit Public CWE-601 NVD
4.7
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Open edX Platform enables the authoring and delivery of online learning at any scale. The view_survey endpoint accepts a redirect_url GET parameter that is passed directly to HttpResponseRedirect() without any URL validation. When a non-existent survey name is provided, the server issues an immediate HTTP 302 redirect to the attacker-controlled URL. Additionally, the same unvalidated URL is embedded in a hidden form field and returned in a JSON response after form submission, where client-side JavaScript performs location.href = url. This enables phishing and credential theft attacks against authenticated Open edX users. This vulnerability is fixed with commit 76462f1e5fa9b37d2621ad7ad19514b403908970.

Details

Severity MEDIUM
CVSS Score 4.7
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
CWE CWE-601
Public Exploit ⚠️ Yes
Source NVD
Published 2026-04-06
Updated 2026-06-02
Modified 2026-05-11

Affected Packages

Software From version Fixed in
openedx — 2026-04-02

Similar Threats

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