CVE-2021-39286 — MEDIUM (6.1)

Q: What is CVE-2021-39286?

CVE-2021-39286 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Webrecorder pywb before 2.6.0 allows XSS because it does not ensure that Jinja2 templates are autoescaped.

Q: How severe is CVE-2021-39286?

CVE-2021-39286 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-39286?

Check the references section above for vendor advisories and patch information. Affected products include: Webrecorder Pywb.

Vulnerability Description

Webrecorder pywb before 2.6.0 allows XSS because it does not ensure that Jinja2 templates are autoescaped.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Webrecorder	Pywb	< 2.6.0

Related Weaknesses (CWE)

CWE-79

References

https://github.com/webrecorder/pywb/commit/f7bd84cdacdd665ff73ae8d09a202f60be2ebPatchThird Party Advisory
https://github.com/webrecorder/pywb/compare/v-2.5.0...v-2.6.0Release NotesThird Party Advisory
https://github.com/webrecorder/pywb/commit/f7bd84cdacdd665ff73ae8d09a202f60be2ebPatchThird Party Advisory
https://github.com/webrecorder/pywb/compare/v-2.5.0...v-2.6.0Release NotesThird Party Advisory

FAQ

What is CVE-2021-39286?

CVE-2021-39286 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Webrecorder pywb before 2.6.0 allows XSS because it does not ensure that Jinja2 templates are autoescaped.

How severe is CVE-2021-39286?

CVE-2021-39286 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-39286?

Check the references section above for vendor advisories and patch information. Affected products include: Webrecorder Pywb.