CVE-2025-12739 An attacker with viewer permissions in Looker could craft a malicious URL that, when opened by a Looker admin, would…
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+
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Looker 25.20 | earliest → < 25.20.0 | 25.20.0 |
| Looker 25.18 | earliest → < 25.18.0 | 25.18.0 |
| Looker 25.16 | earliest → < 25.16.0 | 25.16.0 |
| Looker 25.12 | earliest → < 25.12.7 | 25.12.7 |
| Looker 25.6 | earliest → < 25.6.66 | 25.6.66 |
| Looker 25.0 | earliest → < 25.0.79 | 25.0.79 |
| Looker 24.18 | earliest → < 24.18.201 | 24.18.201 |