CVE-2025-9543Public exploitNetwork attack vector

Stored XSS via unescaped imported sheet links

Published Jan 5, 2026 · Updated Jan 5, 2026

Stored XSS in WPPOOL FlexTable before 3.19.2 allows remote authenticated users to execute JavaScript through imported Google Sheets links. When the Import links from sheet option is enabled, the table renderer places a crafted cell URL into page output without sanitization or escaping. Administrator privileges are required, and a visitor must open the generated page; script execution occurs in that visitor's browser.

CVSS severity3.5
Low
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in WPPOOL FlexTable before 3.19.2 allows remote authenticated users to execute JavaScript through imported Google Sheets links. When the Import links from sheet option is enabled, the table renderer places a crafted cell URL into page output without sanitization or escaping. Administrator privileges are required, and a visitor must open the generated page; script execution occurs in that visitor's browser.

The record

CVE
CVE-2025-9543
Published
Jan 5, 2026
Updated
Jan 5, 2026
Vendor
WPPOOL
Product
FlexTable
Classifications
CWE-79, CAPEC-592, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 5, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <3.19.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

WPPOOL · FlexTableversion=0 <3.19.2

Published CVSS scores

3.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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