CVE-2026-97315

Responsive Blocks < 2.3.0 - Unauthenticated HTML Injection in Form Notification Email

Published Oct 14, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
The Responsive Blocks WordPress plugin before 2.3.0 does not sanitise or escape some of the values submitted with its Form block before adding them to the HTML notification email sent to the site owner, allowing unauthenticated users to inject arbitrary HTML, such as phishing links, into that email.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-74
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The Responsive Blocks WordPress plugin before 2.3.0 does not sanitise or escape some of the values submitted with its Form block before adding them to the HTML notification email sent to the site owner, allowing unauthenticated users to inject arbitrary HTML, such as phishing links, into that email.
Title Responsive Blocks < 2.3.0 - Unauthenticated HTML Injection in Form Notification Email
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Oct 14, 2026, 1:34 PM
Reserved
Sep 24, 2026, 11:27 AM
Status
Deferred
Published
Oct 14, 2026, 11:17 AM
Modified
Oct 14, 2026, 4:14 PM