ETK-2026-2988Zero's internal tracking ID, independent of the CVE number.
validatedZero produced an exploit or a check.description
openedx-platform versions before ulmo can expose a template-rendering route that reflects unescaped query values into LMS or CMS pages. An unauthenticated attacker can run browser-side code in a victim's Open edX session if the victim follows a crafted link.
mitigation
Upgrade openedx-platform to >= ulmo or later.
fixed in >= ulmo
outcome
Contextual check: a technique exists and was validated, but no deterministic check could cover this one.
source signals
Public signals that triggered or updated the pipeline. These are inputs for the deltas above.
- 2026-10-29 15:35Zghsa: trigger signal, started the run
- 2026-10-29 15:35Z
this entry in the feed
GET /api/v1/feed/ETK-2026-2988
{ "etk_id": "ETK-2026-2988", "cve_id": null, "display_id": "ETK-2026-2988", "ghsa_id": "GHSA-hh7c-hrv9-6qw9", "euvd_id": null, "status": "published", "anchor_state": "awaiting_cve", "title": "Reflected cross-site scripting in openedx-platform templates", "summary": "openedx-platform versions before ulmo can expose a template-rendering route that reflects unescaped query values into LMS or CMS pages. An unauthenticated attacker can run browser-side code in a victim's Open edX session if the victim follows a crafted link.", "mitigation": "Upgrade openedx-platform to >= ulmo or later.", "vendor": "pip", "product": "pip:openedx-platform", "affected": [ { "affected_notes": [], "affected_ranges": [ ">= birch" ], "ecosystem": "pip", "fixed_versions": [ ">= ulmo" ], "package_name": "openedx-platform", "purl": "pkg:pypi/openedx-platform" } ], "cwes": [ 79 ], "cvss_score": 9.4, "cvss_src": "cna_vendor", "cvss_vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "epss_score": null, "epss_percentile": null, "epss_asof": null, "automation": "contextual", "check": true, "check_confidence_basis": "assessed", "exploit": false, "pipeline_minutes": 70.56166123333334, "t0_at": null, "signals": { "check": { "at": "2026-10-29T18:10:57.090520+00:00", "days": -0.13606320793981483, "is_lower_bound": true, "measured_at": "2026-10-29T21:26:53.050822+00:00", "url": null }, "public_poc": { "at": "2026-10-29T15:35:29+00:00", "days": -0.24402721858796297, "is_lower_bound": true, "measured_at": "2026-10-29T21:26:53.050822+00:00", "url": "https://github.com/openedx/openedx-platform/security/advisories/GHSA-hh7c-hrv9-6qw9" }, "trigger_signal": { "at": "2026-10-29T15:35:29+00:00", "days": -0.24402721858796297, "is_lower_bound": true, "measured_at": "2026-10-29T21:26:53.050822+00:00", "url": "https://github.com/openedx/openedx-platform/security/advisories/GHSA-hh7c-hrv9-6qw9" } } }
published 2026-10-29 17:00Z
last change 2026-10-29 21:24Z
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