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Incorrect authorization in Moodle Configurable Reports block exposes reports

Priority LOW 32CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

The Configurable Reports block for Moodle before 5.3.0 has an incorrect authorization flaw (CWE-863) in the block_configurable_reports_get_report_data web service. When a permission check fails, the function only adds a warning and still returns the full report table. Any authenticated user can supply arbitrary report ids and read restricted SQL reports containing user and grade data.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Configurable Reports block for Moodle before 5.3.0 contains an authorization bypass vulnerability that allows authenticated users to read restricted reports through the block_configurable_reports_get_report_data web service. When check_permissions fails, the function only adds a warning and still returns the full report table, letting any logged-in user supply arbitrary report ids to read SQL reports over user and grade data.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00424 36th percentileScored 2026-11-07
Fix Fixed moodle-block_configurablereports (jleyva): 5.3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
jleyvamoodle-block_configurablereportsbefore 5.3.05.3.0Patch availableCNA
  • moodle-block_configurablereports Vendorjleyva Affected before 5.3.0 Fixed in 5.3.0 Patch available CNA

Remediation

Update the moodle-block_configurablereports package to version 5.3.0 or later, which fixes the flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA moodle-block_configurablereports (jleyva) Fixed in 5.3.0

Timeline

  1. 2026-10-20 Threatist record created from CVE-2026-113607
  2. 2026-10-20 CISA SSVC decision points changed
  3. 2026-10-20 Priority changed: MEDIUM → LOW
  4. 2026-10-21 Alias added: GHSA-7v7c-h53q-gqrm

References

  • TI-2026-76937 SQL injection in Configurable Reports block for Moodle lets users read data CVSS 4.0MEDIUM 6.0

Sources