CVE-2026-71503

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.

CVSS v4.0

5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.21% chance of exploitation in the next 30 days, 11th percentile

Published

2026-08-24

Updated

2026-08-29

Proof-of-concept exploits (1)

• https://codeant.ai/security-research/cve-2026-71503-reflected-xss-via-the-type-parameter

References

• CVE Record
• NVD entry

Related

• CVE-2026-7150
• CVE-2026-71504
• CVE-2026-71498
• CVE-2026-71505
• CVE-2026-71491
• CVE-2026-71506