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Unrestricted file upload in KusalkaSilva Learning-Management-System

Priority MEDIUM 57CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass, Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.

Summary

KusalkaSilva Learning-Management-System up to ffeb873f8803f1e9664384ff75000c7da45466d2 is affected, and it is a rolling release without version details. The getimagesize function in upload_save.php does not restrict uploaded files (CWE-434), and a remote attacker with low privileges can upload files without user interaction. A public exploit has been published and is linked in the references. The project received an early issue report but has not responded.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A flaw has been found in KusalkaSilva Learning-Management-System up to ffeb873f8803f1e9664384ff75000c7da45466d2. Affected is the function getimagesize of the file upload_save.php. Executing a manipulation of the argument uploaded_file/image can lead to unrestricted upload. The attack may be launched remotely. The exploit has been published and may be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0027 19th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
KusalkasilvaLearning-Management-Systemffeb873f8803f1e9664384ff75000c7da45466d2—No fix listedCNA
  • Learning-Management-System VendorKusalkasilva Affected ffeb873f8803f1e9664384ff75000c7da45466d2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:kusalkasilva:learning-management-system:*:*:*:*:*:*:*:*——Kusalkasilva
  • cpe:2.3:a:kusalkasilva:learning-management-system:*:*:*:*:*:*:*:* Versions — — ·Kusalkasilva

Remediation

The sources list no fixed version for KusalkaSilva Learning-Management-System.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-108922
  2. 2026-10-13 Alias added: GHSA-4869-84qq-jcp5
  3. 2026-10-16 CISA SSVC decision points changed
  4. 2026-10-16 Priority changed: LOW → MEDIUM

References

  • TI-2026-71259 Missing authentication in KusalkaSilva Learning-Management-System CVSS 4.0MEDIUM 6.9
  • TI-2026-68426 SQL injection in Kusalkasilva Learning-Management-System registration CVSS 4.0MEDIUM 6.9
  • TI-2026-68414 SQL injection in Kusalkasilva Learning-Management-System admin login CVSS 4.0MEDIUM 6.9
  • TI-2026-68409 SQL injection in Kusalkasilva Learning-Management-System login CVSS 4.0MEDIUM 6.9
  • TI-2026-68455 SQL injection in Kusalkasilva Learning-Management-System CVSS 4.0MEDIUM 5.3

Sources