All in One SEO Pack information management vulnerability


All in One SEO Pack is a WordPress plugin. All in One SEO Pack automatically adds a meta tag ("Meta Description") to a page using some part of its contents, and this behavior is enabled in the initial configuration. Meta Description can be added even when a page is password-protected, therefore some part of its contents are not protected.

Fumito MIZUNO of rescuework.inc reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

Base Metrics: 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None

Affected Products

Semper Fi Web Design
  • All in One SEO Pack Version and earlier


Some part of the contents are disclosed even when the contents are password-protected.

[Update the software]
Update to the latest version according to the information provided by the developer.

[Apply a workaround]
The following workaround may mitigate the affects of this vulnerability.

* Disable "Autogenerate Descriptions" in the settings screen
Vendor Information

Semper Fi Web Design
CWE (What is CWE?)

  1. Information Exposure(CWE-200) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-0902

  1. JVN : JVN#75615300
  2. National Vulnerability Database (NVD) : CVE-2015-0902
Revision History

  Web page was published
  References : Content was added