CVE-2025-32379 is a medium-severity cross-site scripting (XSS) vulnerability affecting Koa, an expressive middleware for Node.js, specifically versions prior to 2.16.1 and 3.0.0-alpha.5. Untrusted user input passed to ctx.redirect() can execute JavaScript code on the user's browser, even after sanitization. The attack vector is network-based with low complexity, requiring user interaction, and could lead to limited confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.16.1CPE matchmatch criteria | cpe:2.3:a:koajs:koa:*:*:*:*:*:node.js:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:koajs:koa:3.0.0:alpha0:*:*:*:node.js:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:koajs:koa:3.0.0:alpha1:*:*:*:node.js:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:koajs:koa:3.0.0:alpha2:*:*:*:node.js:*:* | ||
3.0.0CPE matchmatch criteria | cpe:2.3:a:koajs:koa:3.0.0:alpha3:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
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