CVE-2023-22522
This Template Injection vulnerability allows an authenticated attacker, including one with anonymous access, to inject unsafe user input into a Confluence page.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 12.8%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
This Template Injection vulnerability allows an authenticated attacker, including one with anonymous access, to inject unsafe user input into a Confluence page. Using this approach, an attacker is able to achieve Remote Code Execution (RCE) on an affected instance. Publicly accessible Confluence Data Center and Server versions as listed below are at risk and require immediate attention. See the advisory for additional details Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 12.84% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- atlassian/confluence data center · atlassian/confluence server
- Source
- security@atlassian.com
References
- https://confluence.atlassian.com/pages/viewpage.action?pageId=1319570362Vendor Advisory
- https://jira.atlassian.com/browse/CONFSERVER-93502Vendor Advisory
- https://confluence.atlassian.com/pages/viewpage.action?pageId=1319570362Vendor Advisory
- https://jira.atlassian.com/browse/CONFSERVER-93502Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.