Vulnerability DatabaseWS-2019-0099
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WS-2019-0099
Published:May 14, 2026
Updated:May 14, 2026
fomantic-ui versions before 2.7.0 are vulnerable to Cross-Site Scripting due to lack of output encoding on the selection dropdowns
Affected Packages
fomantic-ui (CDN_JS):
Affected version(s) >=2.4.0 <2.7.0
Fix Suggestion:
Update to version 2.7.0
fomantic-ui (NPM):
Affected version(s) >=2.3.1 <2.7.0
Fix Suggestion:
Update to version 2.7.0
clean-composer-packages/fomantic-ui-sass (PHP):
Affected version(s) >=v2.4.0 <v2.7.0
Fix Suggestion:
Update to version v2.7.0
fomantic/ui (PHP):
Affected version(s) >=2.4.0 <dev-dependabot/npm_and_yarn/develop/gulp-json-editor-2.6.0
Fix Suggestion:
Update to version dev-dependabot/npm_and_yarn/develop/gulp-json-editor-2.6.0
fomantic/ui (PHP):
Affected version(s) >=2.6.1 <2.7.0
Fix Suggestion:
Update to version 2.7.0
codelab/flaskphp (PHP):
Affected version(s) >=v1.0.136 <v1.0.194
Fix Suggestion:
Update to version v1.0.194
Related Resources (1)
https://github.com/fomantic/Fomantic-UI/commit/23dd6cb79250e93f35cc68f94cb0d8b8e18e5664,https://github.com/fomantic/Fomantic-UI/commit/f29bf2e64cbcc1ec4caa699f32a66993e01d8d69,https://github.com/fomantic/Fomantic-UI/commit/a9727f6b4116a03d14e683b3208df8653f50bba6
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CVSS v4
Base Score:
7.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE