CVE-2021-34817
MEDIUM
6.1
CVSS Score
Published: July 19, 2021 at 01:38 PM UTC
Updated: June 17, 2026 at 03:56 AM UTC
1 product affected across 1 vendorEtherpad
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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://blog.sonarsource.com/etherpad-code-execution-vulnerabilitiesx_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfax_refsource_MISCPatchRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/ether/etherpad-lite/releases/tag/1.8.14CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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