CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
64.5%
When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer does not escape < and > characters. Because the resulting string is pasted directly into the text node of the element this does not result in a direct injection into the webpage; however, if a webpage subsequently copies the node’s innerHTML, assigning it to another innerHTML, this would result in an XSS vulnerability. Two WYSIWYG editors were identified with this behavior, more may exist. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Alpine | edge-community | noarch | firefox-esr | < 68.4.1-r0 | UNKNOWN |
Alpine | edge-community | noarch | firefox | < 71.0.1-r0 | UNKNOWN |
Alpine | edge-community | noarch | librewolf | < 71.0.1-r0 | UNKNOWN |
Alpine | 3.11-community | noarch | firefox-esr | < 68.4.1-r0 | UNKNOWN |
Alpine | 3.12-community | noarch | firefox-esr | < 68.4.1-r0 | UNKNOWN |
Alpine | 3.12-community | noarch | firefox | < 71.0.1-r0 | UNKNOWN |
Alpine | 3.13-community | noarch | firefox-esr | < 68.4.1-r0 | UNKNOWN |
Alpine | 3.13-community | noarch | firefox | < 71.0.1-r0 | UNKNOWN |
Alpine | 3.14-community | noarch | firefox-esr | < 68.4.1-r0 | UNKNOWN |
Alpine | 3.14-community | noarch | firefox | < 71.0.1-r0 | UNKNOWN |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AI Score
Confidence
High
EPSS
Percentile
64.5%