CVSS v3
8.6
HIGH
EPSS Score
91.0%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Express-handlebars is a Handlebars view engine for Express. Express-handlebars mixes pure template data with engine configuration options through the Express render API. More specifically, the layout parameter may trigger file disclosure vulnerabilities in downstream applications. This potential vulnerability is somewhat restricted in that only files with existing extentions (i.e. file.extension) can be included, files that lack an extension will have .handlebars appended to them. For complete details refer to the referenced GHSL-2021-018 report. Notes in documentation have been added to help users avoid this potential information exposure vulnerability.
Express-handlebars is a Handlebars view engine for Express. Express-handlebars mixes pure template data with engine configuration options through the Express render API. More specifically, the layout parameter may trigger file disclosure vulnerabilities in downstream applications. This potential vulnerability is somewhat restricted in that only files with existing extentions (i.e. file.extension) can be included, files that lack an extension will have .handlebars appended to them. For complete details refer to the referenced GHSL-2021-018 report. Notes in documentation have been added to help users avoid this potential information exposure vulnerability.
Active exploitation of CVE-2021-32820 has not been confirmed. The EPSS score is 91.0%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2021-32820 has a CVSS v3 base score of 8.6 (HIGH severity).
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Ranked by exploit probability (EPSS).