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).

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (7.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-9543: held from 0.002 to 0.002.

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

Affected products

  • Flextable — versions 0

References

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.