Vulnerability Description
A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad.
CVSS Score
6.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Etherpad | Etherpad | 1.8.13 |
Related Weaknesses (CWE)
References
- https://blog.sonarsource.com/etherpad-code-execution-vulnerabilitiesThird Party Advisory
- https://etherpad.org/#downloadPatchVendor Advisory
- https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f8304ExploitPatchThird Party Advisory
- https://github.com/ether/etherpad-lite/releases/tag/1.8.14PatchRelease NotesThird Party Advisory
- https://blog.sonarsource.com/etherpad-code-execution-vulnerabilitiesThird Party Advisory
- https://etherpad.org/#downloadPatchVendor Advisory
- https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f8304ExploitPatchThird Party Advisory
- https://github.com/ether/etherpad-lite/releases/tag/1.8.14PatchRelease NotesThird Party Advisory
FAQ
What is CVE-2021-34817?
CVE-2021-34817 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad.
How severe is CVE-2021-34817?
CVE-2021-34817 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-2021-34817?
Check the references section above for vendor advisories and patch information. Affected products include: Etherpad Etherpad.