What is CVE-2025-13854?

CVE-2025-13854 is a medium-severity vulnerability in Soniz Curved Text, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-01-09.

How severe is CVE-2025-13854?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Soniz Curved Text

CVE-2025-13854

The Curved Text plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'radius' parameter of the arctext shortcode in all versions up to, and including, 0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (14.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Soniz Curved Text — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-13854?: CVE-2025-13854 is a medium-severity vulnerability in Soniz Curved Text, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-01-09.
How severe is CVE-2025-13854?: Medium severity. CVSS v3 base score is 6.4 out of 10.