CVE-2019-20102

MEDIUM

Atlassian Confluence Server 6.14.0-6.14.3 & 6.15.0-6.15.5 - Stored XSS via Attachment MIME Type

Title source: llm
STIX 2.1

Description

The attachment-uploading feature in Atlassian Confluence Server from version 6.14.0 through version 6.14.3, and version 6.15.0 before version 6.15.5 allows remote attackers to achieve stored cross-site- scripting (SXSS) via a malicious attachment with a modified `mimeType` parameter.

References (1)

Core 1
Core References
Permissions Required x_refsource_misc
https://jira.atlassian.com/browse/CONFSERVER-59358

Scores

CVSS v3 6.1
EPSS 0.0042
EPSS Percentile 62.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
atlassian/confluence_server 6.14.0 - 6.14.3
Published Apr 22, 2020
Tracked Since Feb 18, 2026