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Vulnerabilities

Vulnerability · CVE-2025-59593

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Extend Themes Colibri Page Builder colibri-page-builder allows Stored XSS.This

Published Oct 22, 2025 · catalog updated Apr 28, 2026 · Extend Themes Colibri Page Builder

Last checked Oct 30, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-59593. EPSS is 0.22%. Act only if a listed version of Extend Themes Colibri Page Builder is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Advisory link
Affected products
vendor Extend Themes Colibri Page Builder 0 ≤1.0.334

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Extend Themes Colibri Page Builder colibri-page-builder allows Stored XSS.This issue affects Colibri Page Builder: from n/a through < 1.0.334.

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 Extend Themes Colibri Page Builder 0 ≤1.0.3340 ≤1.0.334

How to fix CVE-2025-59593

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-2025-59593. EPSS is 0.22%. Act only if a listed version of Extend Themes Colibri Page Builder is installed.

Which versions are affected?

Compare what you have installed with Extend Themes Colibri Page Builder 0 ≤1.0.334 0 ≤1.0.334. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

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

Timeline

Detection, updates, and resolution for this record.

  1. Oct 22, 2025 · EUVD

    Detected

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Extend Themes Colibri Page Builder colibri-page-builder allows Stored XSS.This issue affects Colibri Page Builder: from n/a through < 1.0.334.

  2. Apr 28, 2026 · EUVD

    Updated

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Extend Themes Colibri Page Builder colibri-page-builder allows Stored XSS.This issue affects Colibri Page Builder: from n/a through < 1.0.334.

Sources

  • CVE.orgVulnerability recordCVE-2025-59593

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-59593

    30-day exploitation probability 0.22%

    first.org
  • EUVDVulnerability recordEUVD-2025-35429

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Extend Themes Colibri Page Builder colibri-page-builder allows Stored XSS.This issue affects Colibri Page Builder: from n/a through < 1.0.334.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 30, 2026
  • CVE.orgOct 24, 2026
  • EUVDOct 23, 2026