What is CVE-2026-9677?

CVE-2026-9677 is a medium-severity vulnerability in Shariff For WordPress, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 4.8/10. Published 2026-06-27.

How severe is CVE-2026-9677?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in Shariff For WordPress

CVE-2026-9677

The Shariff for WordPress Shariff for WordPress plugin through 1.0.11 does not sanitize or escape the shariff_infourl setting before outputting it in the frontend HTML via the generateshariff() function, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Published 2026-06-27 · last modified 2026-06-29.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.1th percentile), scored 2026-10-08.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.1% 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

Shariff For WordPress — versions 0

References

wpscan.com/vulnerability/c40298d0-42c2-406c-817a-9bbf246bbeea/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-9677?: CVE-2026-9677 is a medium-severity vulnerability in Shariff For WordPress, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 4.8/10. Published 2026-06-27.
How severe is CVE-2026-9677?: Medium severity. CVSS v3 base score is 4.8 out of 10.