Google Looker up to 25.19.x URL cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Google Looker up to 25.19.x. This impacts an unknown function of the component URL Handler. Executing a manipulation can lead to cross site scripting. The identification of this vulnerability is CVE-2025-12739. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Google Looker up to 25.19.x and classified as problematic. This vulnerability affects an unknown part of the component URL Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

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+

The weakness was shared by Sivanesh Ashok and Sreeram Kl as gcp-2025-068. The advisory is shared for download at cloud.google.com. This vulnerability was named CVE-2025-12739 since 11/05/2025. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 24.18.201, 25.0.79, 25.6.66, 25.12.7, 25.16.0, 25.18.0 or 25.20.0 eliminates this vulnerability.

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Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Looker 24.18.201/25.0.79/25.6.66/25.12.7/25.16.0/25.18.0/25.20.0

Timelineinfo

11/05/2025 CVE reserved
11/24/2025 +19 days Advisory disclosed
11/24/2025 +0 days VulDB entry created
11/24/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: google.com

Advisory: gcp-2025-068
Researcher: Sivanesh Ashok, Sreeram Kl
Status: Confirmed

CVE: CVE-2025-12739 (🔒)
GCVE (CVE): GCVE-0-2025-12739
GCVE (VulDB): GCVE-100-333364

Entryinfo

Created: 11/24/2025 12:42
Changes: 11/24/2025 12:42 (70)
Complete: 🔍
Cache ID: 216::103

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