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Vulnerabilities

Vulnerability · CVE-2015-3440

debian debian_linux Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Published Apr 27, 2015 · catalog updated Apr 27, 2015 · debian debian_linux Improper Neutralization

Patch now

CVE-2015-3440 is in the CISA known-exploited catalog. Confirm debian debian_linux 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 (debian debian_linux Improper Neutralization).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
16.89%
Remediation
Remediation guidance
Affected products
vendor debian debian_linux

Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.1 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type.

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 debian debian_linuxversion unspecified

How to fix CVE-2015-3440

What to do

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

Should you patch?

CVE-2015-3440 is in the CISA known-exploited catalog. Confirm debian debian_linux 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?

No weakness class is stored. EPSS 16.89%. 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

Debian securityWordPress 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. Apr 27, 2015 · VulnCheck KEV

    Detected

    Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.1 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type.

  2. Apr 27, 2015 · CISA KEV

    Known exploited

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

Sources

  • CVE.orgVulnerability recordCVE-2015-3440

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2015-3440

    30-day exploitation probability 16.9%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2015-3440

    Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.1 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.