VulnerabilityModified
CVE-2021-34817
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.
MEDIUM 6.1EPSS 1.34%
Does this matter?
Lower severity and a low EPSS score (1.34%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.34% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- etherpad/etherpad
- Source
- cve@mitre.org
References
- https://blog.sonarsource.com/etherpad-code-execution-vulnerabilitiesThird Party Advisory
- https://etherpad.org/#downloadPatch, Vendor Advisory
- https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfaExploit, Patch, Third Party Advisory
- https://github.com/ether/etherpad-lite/releases/tag/1.8.14Patch, Release Notes, Third Party Advisory
- https://blog.sonarsource.com/etherpad-code-execution-vulnerabilitiesThird Party Advisory
- https://etherpad.org/#downloadPatch, Vendor Advisory
- https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfaExploit, Patch, Third Party Advisory
- https://github.com/ether/etherpad-lite/releases/tag/1.8.14Patch, Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.