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Vulnerabilities

Vulnerability · 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 perfor

Published Jan 5, 2026 · catalog updated Jan 5, 2026 · Unknown FlexTable

Last checked Nov 3, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-9543. EPSS is 0.18%. Act only if a listed version of Unknown FlexTable is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low3.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Version ranges on file
Affected products
vendor Unknown FlexTable 0 <3.19.2

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).

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Unknown FlexTable 0 <3.19.20 <3.19.2

How to fix CVE-2025-9543

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-9543. EPSS is 0.18%. Act only if a listed version of Unknown FlexTable is installed.

Which versions are affected?

Compare what you have installed with Unknown FlexTable 0 <3.19.2 0 <3.19.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 5, 2026 · EUVD

    Detected

    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).

  2. Jan 5, 2026 · EUVD

    Updated

    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).

Sources

  • CVE.orgVulnerability recordCVE-2025-9543

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-9543

    30-day exploitation probability 0.18%

    first.org
  • EUVDVulnerability recordEUVD-2026-0836

    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 ex

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 31, 2026
  • EUVDOct 31, 2026