CVE-2026-97315
Responsive Blocks < 2.3.0 - Unauthenticated HTML Injection in Form Notification Email
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Responsive Blocks < 2.3.0 - Unauthenticated HTML Injection in Form Notification Email
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.
- Record
CVE-2026-97315- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-74
- Updated
- 2026-11-02
EUVDEUVD-2026-100978
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.
- Record
EUVD-2026-100978- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cpgh-j438-6wxq
The Responsive Blocks WordPress plugin before 2.3.0 does not sanitise or escape some of the...
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.
- Record
GHSA-cpgh-j438-6wxq- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-74
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-97315- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-74
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-97315 is a medium vulnerability (CVSS 5.4) in Cyberchimps Responsive Blocks, published October 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.