CVE-2023-22522 in the critical feed json
This Template Injection vulnerability allows an authenticated attacker, including one with anonymous access, to inject unsafe user input in…
published 2023-12-06 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-26662
- cvss
- 9.0
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 12.9%
- EPSS 12.9% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Atlassian Confluence Data Center < 4.0.0, >= 7.19.17, >= 8.4.5, >= 8.5.4, >= 8.6.2, >= 8.7.1
- Atlassian Confluence Server < 4.0.0, >= 7.19.17, >= 8.4.5, >= 8.5.4, >= 8.6.2, >= 8.7.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
12.95% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.0 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Atlassian Confluence Data Center
- Atlassian Confluence Server
Classification
- Weakness
-
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
References
-
confluence.atlassian.com
/pages/viewpage.action?pageId=1319570362
vendor-advisory
-
jira.atlassian.com
/browse/CONFSERVER-93502
vendor-advisory
Sources
- CVE List CVE-2023-22522
- NVD CVE-2023-22522
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.