Home/CVE/The attachment-uploading feature in Atlassian Confluence Server from version 6.14.0 through version 6.14.3, and version
CVE

CVE-2019-20102

The attachment-uploading feature in Atlassian Confluence Server from version 6.14.0 through version 6.14.3, and version

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.

MEDIUM · CVSS 6.1 EPSS 0.0042
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
atlassian confluence server>= 6.14.0 and <= 6.14.3
atlassian confluence server>= 6.15.0 and < 6.15.5
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · security@atlassian.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Apr 2020 · 04:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jira.atlassian.com/browse/CONFSERVER-59358Permissions Required
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