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Vulnerabilities

Vulnerability · CVE-2025-11262

linkwhisper link_whisper_free Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Published May 29, 2026 · catalog updated Jul 21, 2026 · linkwhisper link_whisper_free Improper Neutralization

Patch now

CVE-2025-11262 is in the CISA known-exploited catalog. Confirm linkwhisper link_whisper_free Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (linkwhisper link_whisper_free Improper Neutralization).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.2
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.24%
Remediation
Remediation guidance
Affected products
vendor linkwhisper link_whisper_free

The Link Whisper Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the user_id parameter in all versions up to, and including, 0.9.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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 linkwhisper link_whisper_freeversion unspecified

How to fix CVE-2025-11262

What to do

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

Should you patch?

CVE-2025-11262 is in the CISA known-exploited catalog. Confirm linkwhisper link_whisper_free Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.24%. The CISA KEV listing is the exploitation evidence. 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.

Timeline

Detection, updates, and resolution for this record.

  1. May 29, 2026 · VulnCheck KEV

    Detected

    The Link Whisper Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the user_id parameter in all versions up to, and including, 0.9.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

  2. May 29, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. Jul 21, 2026 · NIST NVD

    Updated

    The Link Whisper Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the user_id parameter in all versions up to, and including, 0.9.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Sources

  • CVE.orgVulnerability recordCVE-2025-11262

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-11262

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2025-11262

    The Link Whisper Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the user_id parameter in all versions up to, and including, 0.9.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2025-11262

    The Link Whisper Free plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the user_id parameter in all versions up to, and including, 0.9.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.