What is CVE-2025-3414?

CVE-2025-3414 is a medium-severity vulnerability in Structured Content (Json-Ld) #Wpsc, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2025-08-14.

How severe is CVE-2025-3414?

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

Vulnerability in Structured Content (Json-Ld) #Wpsc

CVE-2025-3414

The Structured Content (JSON-LD) #wpsc WordPress plugin before 1.7.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Published 2025-08-14 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.002 (5.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Structured Content (Json-Ld) #Wpsc — versions 0

References

wpscan.com/vulnerability/1dd322b5-3c1d-4da7-8737-e6688fc9f4df/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2025-3414?: CVE-2025-3414 is a medium-severity vulnerability in Structured Content (Json-Ld) #Wpsc, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2025-08-14.
How severe is CVE-2025-3414?: Medium severity. CVSS v3 base score is 5.4 out of 10.