Published:2015/03/31  Last Updated:2015/03/31

All in One SEO Pack information management vulnerability


All in One SEO Pack contains an information management vulnerability.

Products Affected

  • All in One SEO Pack Version and earlier


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.


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


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2015.03.31 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) Specialized access conditions or extenuating circumstances do not exist.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is considerable informational disclosure. Access to some system files is possible, but the attacker does not have control over what is obtained, or the scope of the loss is constrained.
Integrity Impact(I) None (N) Partial (P) Complete (C) There is no impact to the integrity of the system.
Availability Impact(A) None (N) Partial (P) Complete (C) There is no impact to the availability of the system.

Base Score:5.0


Fumito MIZUNO of reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2015-0902
JVN iPedia JVNDB-2015-000046