What is CVE-2026-97315?

CVE-2026-97315 is a medium-severity vulnerability in Responsive Blocks, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.4/10. Published 2026-10-14.

How severe is CVE-2026-97315?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Responsive Blocks

CVE-2026-97315

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.

Published 2026-10-14 · last modified 2026-10-14.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Responsive Blocks

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

wpscan.com/vulnerability/83713678-7efc-4cfc-ba24-c624a1ef8622/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-97315?: CVE-2026-97315 is a medium-severity vulnerability in Responsive Blocks, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 5.4/10. Published 2026-10-14.
How severe is CVE-2026-97315?: Medium severity. CVSS v3 base score is 5.4 out of 10.