CVE-2021-23803
CVSS v3
9.8
CRITICAL
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-12-17
Frequently asked questions
What is CVE-2021-23803?
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.
Is CVE-2021-23803 actively exploited?
Active exploitation of CVE-2021-23803 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-23803?
CVE-2021-23803 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-23803 affecting your environment?
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