What is CVE-2026-1903?

CVE-2026-1903 is a medium-severity vulnerability in Shellbot Ravelry Designs Widget, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-14.

How severe is CVE-2026-1903?

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

XSS in Shellbot Ravelry Designs Widget

CVE-2026-1903

The Ravelry Designs Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'layout' attribute of the 'sb_ravelry_designs' shortcode in all versions up to, and including, 1.0.0. This is due to insufficient input sanitization and output escaping on user supplied attributes. 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 (15.9th 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

Shellbot Ravelry Designs Widget — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-1903?: CVE-2026-1903 is a medium-severity vulnerability in Shellbot Ravelry Designs Widget, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-14.
How severe is CVE-2026-1903?: Medium severity. CVSS v3 base score is 6.4 out of 10.