Search criteria
9 vulnerabilities found for koa by koajs
CVE-2025-62595 (GCVE-0-2025-62595)
Vulnerability from cvelistv5 – Published: 2025-10-21 16:20 – Updated: 2025-10-21 16:35
VLAI?
Summary
Koa is expressive middleware for Node.js using ES2017 async functions. In versions 2.16.2 to before 2.16.3 and 3.0.1 to before 3.0.3, a bypass to CVE-2025-8129 was discovered in the Koa.js framework affecting its back redirect functionality. In certain circumstances, an attacker can manipulate the Referer header to force a user’s browser to navigate to an external, potentially malicious website. This occurs because the implementation incorrectly treats some specially crafted URLs as safe relative paths. Exploiting this vulnerability could allow attackers to perform phishing, social engineering, or other redirect-based attacks on users of affected applications. This issue has been patched in version 3.0.3.
Severity ?
4.3 (Medium)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2025-8129 (GCVE-0-2025-8129)
Vulnerability from cvelistv5 – Published: 2025-07-25 04:02 – Updated: 2025-07-25 12:01
VLAI?
Summary
A vulnerability, which was classified as problematic, was found in KoaJS Koa up to 3.0.0. Affected is the function back in the library lib/response.js of the component HTTP Header Handler. The manipulation of the argument Referrer leads to open redirect. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Severity ?
CWE
- CWE-601 - Open Redirect
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Credits
ZAST.AI (VulDB User)
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CVE-2025-32379 (GCVE-0-2025-32379)
Vulnerability from cvelistv5 – Published: 2025-04-09 15:56 – Updated: 2025-04-09 20:45
VLAI?
Summary
Koa is expressive middleware for Node.js using ES2017 async functions. In koa < 2.16.1 and < 3.0.0-alpha.5, passing untrusted user input to ctx.redirect() even after sanitizing it, may execute javascript code on the user who use the app. This issue is patched in 2.16.1 and 3.0.0-alpha.5.
Severity ?
5 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2025-25200 (GCVE-0-2025-25200)
Vulnerability from cvelistv5 – Published: 2025-02-12 17:59 – Updated: 2025-02-12 19:29
VLAI?
Summary
Koa is expressive middleware for Node.js using ES2017 async functions. Prior to versions 0.21.2, 1.7.1, 2.15.4, and 3.0.0-alpha.3, Koa uses an evil regex to parse the `X-Forwarded-Proto` and `X-Forwarded-Host` HTTP headers. This can be exploited to carry out a Denial-of-Service attack. Versions 0.21.2, 1.7.1, 2.15.4, and 3.0.0-alpha.3 fix the issue.
Severity ?
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2025-62595 (GCVE-0-2025-62595)
Vulnerability from nvd – Published: 2025-10-21 16:20 – Updated: 2025-10-21 16:35
VLAI?
Summary
Koa is expressive middleware for Node.js using ES2017 async functions. In versions 2.16.2 to before 2.16.3 and 3.0.1 to before 3.0.3, a bypass to CVE-2025-8129 was discovered in the Koa.js framework affecting its back redirect functionality. In certain circumstances, an attacker can manipulate the Referer header to force a user’s browser to navigate to an external, potentially malicious website. This occurs because the implementation incorrectly treats some specially crafted URLs as safe relative paths. Exploiting this vulnerability could allow attackers to perform phishing, social engineering, or other redirect-based attacks on users of affected applications. This issue has been patched in version 3.0.3.
Severity ?
4.3 (Medium)
CWE
- CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2025-8129 (GCVE-0-2025-8129)
Vulnerability from nvd – Published: 2025-07-25 04:02 – Updated: 2025-07-25 12:01
VLAI?
Summary
A vulnerability, which was classified as problematic, was found in KoaJS Koa up to 3.0.0. Affected is the function back in the library lib/response.js of the component HTTP Header Handler. The manipulation of the argument Referrer leads to open redirect. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Severity ?
CWE
- CWE-601 - Open Redirect
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Credits
ZAST.AI (VulDB User)
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CVE-2025-32379 (GCVE-0-2025-32379)
Vulnerability from nvd – Published: 2025-04-09 15:56 – Updated: 2025-04-09 20:45
VLAI?
Summary
Koa is expressive middleware for Node.js using ES2017 async functions. In koa < 2.16.1 and < 3.0.0-alpha.5, passing untrusted user input to ctx.redirect() even after sanitizing it, may execute javascript code on the user who use the app. This issue is patched in 2.16.1 and 3.0.0-alpha.5.
Severity ?
5 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2025-25200 (GCVE-0-2025-25200)
Vulnerability from nvd – Published: 2025-02-12 17:59 – Updated: 2025-02-12 19:29
VLAI?
Summary
Koa is expressive middleware for Node.js using ES2017 async functions. Prior to versions 0.21.2, 1.7.1, 2.15.4, and 3.0.0-alpha.3, Koa uses an evil regex to parse the `X-Forwarded-Proto` and `X-Forwarded-Host` HTTP headers. This can be exploited to carry out a Denial-of-Service attack. Versions 0.21.2, 1.7.1, 2.15.4, and 3.0.0-alpha.3 fix the issue.
Severity ?
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
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FKIE_CVE-2025-8129
Vulnerability from fkie_nvd - Published: 2025-07-25 05:15 - Updated: 2025-09-17 14:38
Severity ?
3.5 (Low) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
A vulnerability, which was classified as problematic, was found in KoaJS Koa up to 3.0.0. Affected is the function back in the library lib/response.js of the component HTTP Header Handler. The manipulation of the argument Referrer leads to open redirect. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
References
| URL | Tags | ||
|---|---|---|---|
| cna@vuldb.com | https://github.com/koajs/koa/issues/1892 | Exploit, Issue Tracking, Patch, Vendor Advisory | |
| cna@vuldb.com | https://github.com/koajs/koa/issues/1892#issue-3213028583 | Exploit, Issue Tracking, Patch, Third Party Advisory, Vendor Advisory | |
| cna@vuldb.com | https://vuldb.com/?ctiid.317514 | Permissions Required, VDB Entry | |
| cna@vuldb.com | https://vuldb.com/?id.317514 | Third Party Advisory, VDB Entry | |
| cna@vuldb.com | https://vuldb.com/?submit.619741 | Third Party Advisory, VDB Entry | |
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | https://github.com/koajs/koa/issues/1892 | Exploit, Issue Tracking, Patch, Vendor Advisory |
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