CVE-2026-71503

Medium

Description

Dolibarr before 24.0.0 contains a reflected cross-site scripting vulnerability in the extra fields administration template where the type request parameter is echoed without JavaScript-context encoding into an inline script block and no Content-Security-Policy header is emitted. An unauthenticated attacker can cause an authenticated administrator to open a crafted URL to execute arbitrary JavaScript in that session and create a persistent administrator account.

SeverityMedium

CVSS6.1

Exploit probability—

ProductDolibarr

PublishedAug 24, 2026

First seenAug 24, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

Dolibarr dolibarr24.0.0 or later

Patches

github.com/Dolibarr/dolibarr/commit/3094b0aa3b500ff51020b660a7e66ffcb9d1cd91

Vendor advisories

github.com/Dolibarr/dolibarr/releases/tag/24.0.0

Affected products

Product	Affected versions	Fixed in
Dolibarr dolibarr	v < 24.0.0	24.0.0

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