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CVE-2025-71310

| EUVD-2025-209927 LOW
Basic XSS (CWE-80)
2026-05-26 mitre GHSA-2m22-x9h5-mq25
XSS
1.8
CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:L/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
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
A
Scope
X

Lifecycle Timeline

2
Patch available
May 26, 2026 - 03:01 EUVD
CVE Published
May 26, 2026 - 01:06 nvd
UNKNOWN (no severity yet)

DescriptionNVD

The GDPR cookies module for Backdrop CMS (before

1.x-1.3.5) doesn't sufficiently protect visitors from Cross Site Scripting (XSS) if a malicious value has been provided for the optional 'Info content' field for the YouTube service. This is mitigated by the fact that an attacker must have a role with the permission "Create a GDPR Cookies Service" or "Edit any GDPR Cookies Service" and a site must have added a YouTube service as configuration.

Analysis

The GDPR cookies module for Backdrop CMS (before

1.x-1.3.5) doesn't sufficiently protect visitors from Cross Site Scripting (XSS) if a malicious value has been provided for the optional 'Info content' field for the YouTube service. This is mitigated by the fact that an attacker must have a role with the permission "Create a GDPR Cookies Service" or "Edit any GDPR Cookies Service" and a site must have added a YouTube service as configuration.

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CVE-2025-71310 vulnerability details – vuln.today
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