CVE-2026-33168

LOW EPSS 40.0%
Published Mar 23, 20263mo ago · Modified Jun 17, 20262w ago
2.3 CVSS 4.0
Low
Find Similar
Published Mar 23, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

Description

Action View provides conventions and helpers for building web pages with the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when a blank string is used as an HTML attribute name in Action View tag helpers, the attribute escaping is bypassed, producing malformed HTML. A carefully crafted attribute value could then be misinterpreted by the browser as a separate attribute name, possibly leading to XSS. Applications that allow users to specify custom HTML attributes are affected. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.

CVSS Details

Base Score
2.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
40.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 7

  • github.com https://github.com/rails/rails/commit/0b6f8002b52b9c606fd6be9e7915d9f944cf539c
  • github.com https://github.com/rails/rails/commit/63f5ad83edaa0b976f82d46988d745426aa4a42d
  • github.com https://github.com/rails/rails/commit/c79a07df1e88738df8f68cb0ee759ad6128ca924
  • github.com https://github.com/rails/rails/releases/tag/v7.2.3.1
  • github.com https://github.com/rails/rails/releases/tag/v8.0.4.1
  • github.com https://github.com/rails/rails/releases/tag/v8.1.2.1
  • github.com https://github.com/rails/rails/security/advisories/GHSA-v55j-83pf-r9cq

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.