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TI-2026-57013 Aliases CVE-2026-82679GHSA-g23j-pp4q-43hx

diem-project diem Widget Editor dmWidgetContentBaseMediaForm.php unrestricted upload

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

A security flaw has been discovered in diem-project diem up to 5.1.3. The impacted element is an unknown function of the file dmFrontPlugin/lib/dmWidget/media/dmWidgetContentBaseMediaForm.php of the component Widget Editor. Performing a manipulation results in unrestricted upload. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. 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 0.00366 30th 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
diem-projectdiem5.1.0; 5.1.1; 5.1.2; 5.1.3—No fix listedCNA
  • diem Vendordiem-project Affected 5.1.0; 5.1.1; 5.1.2; 5.1.3 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:diem-project:diem:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:diem-project:diem:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-82679
  2. 2026-10-03 Alias added: GHSA-g23j-pp4q-43hx

References

Exploit 1

Other 1

  • TI-2026-58972 diem-project diem dmWidget BasedmWidgetActions.class.php authorization CVSS 4.0MEDIUM 6.9
  • TI-2026-76225 Open redirect in diem-project diem Sign-In via Referer argument CVSS 4.0MEDIUM 5.3
  • TI-2026-76226 Weak random number generator in diem-project diem dmString.php CVSS 4.0MEDIUM 6.3
  • TI-2026-76222 Improper certificate validation in diem Google Analytics Client CVSS 4.0MEDIUM 6.3
  • TI-2026-76213 Use of default password in diem-project diem CVSS 4.0MEDIUM 5.3
  • TI-2026-58971 diem-project diem dmConsole actions.class.php executeCommand cross-site request forgery CVSS 4.0MEDIUM 5.3
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences