{"cve":"CVE-2021-23803","nvd":{"published":"2021-12-17T20:15:08.287","modified":"2026-06-17T03:38:53.277","status":"Modified","description":"This affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-863"],"references":["https://github.com/nette/latte/commit/227c86eda9a8a6d060ea8501923e768b6d992210","https://github.com/nette/latte/issues/279","https://snyk.io/vuln/SNYK-PHP-LATTELATTE-1932226","https://github.com/nette/latte/commit/227c86eda9a8a6d060ea8501923e768b6d992210","https://github.com/nette/latte/issues/279"],"products":["nette:latte"],"source":"nvd","synced_at":"2026-10-19T21:25:41.256909649+00:00"},"epss":{"cve":"CVE-2021-23803","score":0.01628,"percentile":0.76181,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}