CVE-2025-12739

HIGH EPSS 18.4%

Published Nov 24, 20257mo ago · Modified Jun 17, 20262w ago

7.3 CVSS 4.0

High

Published Nov 24, 2025 7mo ago

Last Modified Jun 17, 2026 2w ago

Description

An attacker with viewer permissions in Looker could craft a malicious URL that, when opened by a Looker admin, would execute an attacker-supplied script. Exploitation required at least one Looker extension installed on the instance. Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted instances. No user action is required for these. Self-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted. The versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page https://download.looker.com/ : * 24.18.201+ * 25.0.79+ * 25.6.66+ * 25.12.7+ * 25.16.0+ * 25.18.0+ * 25.20.0+

CVSS Details

Base Score

7.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/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:Red

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction A

Scope X

Threat Intelligence

EPSS Exploit Probability

18.4% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 1

cloud.google.com https://cloud.google.com/support/bulletins#gcp-2025-068

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.