CVE-2026-105862

HIGH CVSS 3.1: 8.7 EPSS 0.27%
Updated Oct 15, 2026
Payload
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions before 3.90.0
Fixed In 3.90.0
Type CWE-79 (Cross-Site Scripting (XSS)), CWE-434 (Unrestricted File Upload)
Vendor Payload
Public PoC No

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, a collection that allows downloadable SVG uploads can store a malicious SVG that bypasses sanitization and executes attacker-controlled JavaScript when a user downloads and opens the SVG. This issue is fixed in versions 3.90.0 and 4.0.0-canary.34.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Vulnerable Products 35

Configuration From (including) Up to (excluding)
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:*:*:*:*:*:node.js:*:*
— 3.90.0
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary0:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary1:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary10:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary11:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary12:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary13:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary14:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary15:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary16:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary17:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary18:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary19:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary2:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary20:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary21:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary22:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary23:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary24:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary25:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary26:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary27:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary28:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary29:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary3:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary30:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary31:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary32:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary33:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary4:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary5:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary6:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary7:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary8:*:*:*:node.js:*:*
— —
Payloadcms Payload
cpe:2.3:a:payloadcms:payload:4.0.0:canary9:*:*:*:node.js:*:*
— —