SARA / Free Tools / CVE / CVE-2023-3971

CVE-2023-3971 — An HTML injection flaw was found in Controller in the user interface settings

An HTML injection flaw was found in Controller in the user interface settings. This flaw allows an attacker to capture credentials by creating a custom login page by injecting HTML, resulting in a complete compromise.

CVSS
7.3 HIGH
EPSS
40.00% (top 40.00%)
CWE
CWE-80
Published
2023-10-04T14:26:01.621Z
Last modified
2025-11-20T19:51:46.690Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

01What is this vulnerability?

An HTML injection flaw was found in Controller in the user interface settings. This flaw allows an attacker to capture credentials by creating a custom login page by injecting HTML, resulting in a complete compromise.

02Affected products

VendorProductVersions
Red HatRed Hat Ansible Automation Platform 2.3 for RHEL 80:4.3.11-1.el8ap
Red HatRed Hat Ansible Automation Platform 2.3 for RHEL 90:4.3.11-1.el9ap
Red HatRed Hat Ansible Automation Platform 2.4 for RHEL 80:4.4.1-1.el8ap
Red HatRed Hat Ansible Automation Platform 2.4 for RHEL 90:4.4.1-1.el9ap

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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