THREATOPS

THREAT OPS › Threat News › [NVD] CVE-2026-33167 (MEDIUM 6.1) — Action Pack is a Rubygem for building web applications on the Rails framework. In versions on the 8.1 branch prior to 8.1.2.1, the debug exceptions page does not properly escape exception messages. A carefully crafted exception message could inject arbitrary HTML and JavaScript i

[NVD] CVE-2026-33167 (MEDIUM 6.1) — Action Pack is a Rubygem for building web applications on the Rails framework. In versions on the 8.1 branch prior to 8.1.2.1, the debug exceptions page does not properly escape exception messages. A carefully crafted exception message could inject arbitrary HTML and JavaScript i

lownvdPublished 2026-03-23

CVE-2026-33167 CVSS: 6.1 MEDIUM Published: 2026-03-23T23:17:12.707

Action Pack is a Rubygem for building web applications on the Rails framework. In versions on the 8.1 branch prior to 8.1.2.1, the debug exceptions page does not properly escape exception messages. A carefully crafted exception message could inject arbitrary HTML and JavaScript into the page, leading to XSS. This affects applicati

MITRE ATT&CK techniques

JavaScriptT1059.007

Indicators of compromise

CVE-2026-33167cve
8.1.2.1ipv4

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-33167