CVE-2022-39287

Plaintext transmission of CSRF tokens in tiny-csrf

8.1 HighFix available

tiny-csrf is a Node.js cross site request forgery (CSRF) protection middleware. In versions prior to 1.1.0 cookies were not encrypted and thus CSRF tokens were transmitted in the clear. This issue has been addressed in commit 8eead6d and the patch with be included in version 1.1.0. Users are advised to upgrade. There are no known workarounds for this issue.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.52%Down 0.4 points since Oct 8, 2022

What each source reports

CVE List Score used 8.1

Plaintext transmission of CSRF tokens in tiny-csrf

Record: CVE-2022-39287
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-319
Updated: 2026-11-02

EUVDEUVD-2022-7145 8.1

Record: EUVD-2022-7145
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-pj2c-h76w-vv6f 8.1

tiny-csrf has openly visible CSRF tokens

Impact

Weak encryption on CSRF so tokens can be read by malicious attackers.

Patches

Problems have been patched as of v1.1.0

Workarounds

Upgrade to v1.1.0

References

https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html

For more information

Submit an issue at the github repo

Record: GHSA-pj2c-h76w-vv6f
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-319
Updated: 2026-11-02

NVD 8.1

Record: CVE-2022-39287
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness: CWE-319
Updated: 2026-11-02

OSV 8.1

Plaintext transmission of CSRF tokens in tiny-csrf

Record: CVE-2022-39287
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-319
Updated: 2026-11-02

OSVGHSA-pj2c-h76w-vv6f 8.1

tiny-csrf has openly visible CSRF tokens

Impact

Weak encryption on CSRF so tokens can be read by malicious attackers.

Patches

Problems have been patched as of v1.1.0

Workarounds

Upgrade to v1.1.0

References

https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html

For more information

Submit an issue at the github repo

Record: GHSA-pj2c-h76w-vv6f
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-319
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`tiny-csrf` npm	before 1.1.0	1.1.0

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-39287 is a high vulnerability (CVSS 8.1) in Tiny-csrf Project Tiny-csrf, published October 7, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. Fixed in tiny-csrf 1.1.0.