CVE-2022-21648
8.2 · HIGHOverview
CVE-2022-21648 is a high-severity vulnerability affecting nette latte. It was published on January 4, 2022 and has a CVSS 3.1 base score of 8.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Latte is an open source template engine for PHP. Versions since 2.8.0 Latte has included a template sandbox and in affected versions it has been found that a sandbox escape exists allowing for injection into web pages generated from Latte. This may lead to XSS attacks. The issue is fixed in the versions 2.8.8, 2.9.6 and 2.10.8. Users unable to upgrade should not accept template input from untrusted sources.
Remediation
Check the references section for vendor advisories and patches from nette. Update latte to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| nette | latte | >= 2.8.0, < 2.8.8 | Affected |
References
Frequently Asked Questions
What is CVE-2022-21648?
CVE-2022-21648 is a high-severity vulnerability affecting nette latte. It was published on January 4, 2022 and has a CVSS 3.1 base score of 8.2 (HIGH).
How severe is CVE-2022-21648?
This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-21648?
Check the references section for vendor advisories and patches from nette. Update latte to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-21648?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-21648 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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