What is CVE-2025-9543?

CVE-2025-9543 is a low-severity vulnerability in Flextable, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 3.5/10. Published 2026-01-05.

How severe is CVE-2025-9543?

Low severity. CVSS v3 base score is 3.5 out of 10.

Vulnerability in Flextable

CVE-2025-9543

The FlexTable WordPress plugin before 3.19.2 does not sanitise and escape the imported links from Google Sheet cells, 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).

EPSS: 0.002 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N.

Affected products

Unknown Flextable — versions 0

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2025-9543?: CVE-2025-9543 is a low-severity vulnerability in Flextable, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 3.5/10. Published 2026-01-05.
How severe is CVE-2025-9543?: Low severity. CVSS v3 base score is 3.5 out of 10.