CVE-2019-3396The Widget Connector macro in Atlassian Confluence Server before version 6.6.12 (the fixed version for 6.6.x), from version 6.7.0 before 6.12.3 (the fixed version for 6.12.x), from version 6.13.0 bef…
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It affects Atlassian Confluence Server. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Nov 3, 2021; federal agencies had to remediate by May 3, 2022, and it is known to be used in ransomware. Treat that date as your deadline.
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The Widget Connector macro in Atlassian Confluence Server before version 6.6.12 (the fixed version for 6.6.x), from version 6.7.0 before 6.12.3 (the fixed version for 6.12.x), from version 6.13.0 before 6.13.3 (the fixed version for 6.13.x), and from version 6.14.0 before 6.14.2 (the fixed version for 6.14.x), allows remote attackers to achieve path traversal and remote code execution on a Confluence Server or Data Center instance via server-side template injection.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-22
- Known exploited
- Added to CISA KEV Nov 3, 2021; federal remediation due May 3, 2022; known ransomware useApply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 99.91% (percentile 100)
- Assigned by
- atlassian
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Atlassian Confluence Server atlassian:confluence_server (from the name) | from unspecified before 6.6.12; from 6.7.0 before unspecified; from unspecified before 6.12.3; from next of 6.13.0 before unspecified; from unspecified before 6.13.3; from next of 6.14.0 before unspecified; from unspecified before 6.14.2 | CNA record |
atlassian confluence_server atlassian:confluence_server | before 6.6.12; from 6.7.0 before 6.12.3; from 6.13.0 before 6.13.3; from 6.14.0 before 6.14.2 | NVD |
References
- https://jira.atlassian.com/browse/CONFSERVER-57974x-refsource-misc, issue-tracking, patch, vendor-advisory
- http://packetstormsecurity.com/files/152568/Atlassian-Confluence-Widget-Connector-Macro-Velocity-Template-Injection.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- http://www.rapid7.com/db/modules/exploit/multi/http/confluence_widget_connectorx-refsource-misc, exploit, third-party-advisory, vdb-entry
- https://www.exploit-db.com/exploits/46731/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://packetstormsecurity.com/files/161065/Atlassian-Confluence-6.12.1-Template-Injection.htmlx-refsource-misc, exploit, third-party-advisory, vdb-entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3396us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.