CVE-2026-105868

LOWCVSS 8.6 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, local upload configurations that accept XML files can store an XML file and stylesheet that execute JavaScript in the Payload origin when a logged-in user opens the file. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-434

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Referenced assets1 URL

By indicator

https://dailycve.com/payload-cms-unrestricted-file-upload-and-same-origin-javascript-execution-cve-2026-105868-high-dc-oct2026-2858/

Full discourse1 post

DailyCVE@dailycve1d
🔴 Payload CMS, Unrestricted File Upload and Same-Origin #JavaScript Execution, #CVE-2026-105868 (High) -DC-Oct2026-2858 https://dailycve.com/payload-cms-unrestricted-file-upload-and-same-origin-javascript-execution-cve-2026-105868-high-dc-oct2026-2858/
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