CVE-2011-3127

WordPress Core < 3.1.3 - Clickjacking

2011-05-25 00:00

Strategic Overview

Status: Patched in 3.1.3
Affected Core: WordPress 3.1
Affected Version: <= 3.1.2
CVSS: 7.1High
Weakness type: CWE-1021 · Improper Restriction of Rendered UI Layers or Frames
CVE: CVE-2011-3127

At a glance

CVE-2011-3127 is a high-severity Improper Restriction of Rendered UI Layers or Frames vulnerability in the WordPress 3.1 WordPress release line, affecting <= 3.1.2. It carries a CVSS score of 7.1 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 3.1.3; sites on affected versions should update now. Disclosed May 2011.

Vulnerability Overview

WordPress 3.1 before 3.1.3 and 3.2 before Beta 2 does not prevent rendering for (1) admin or (2) login pages inside a frame in a third-party HTML document, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site.

CWE-1021: Improper Restriction of Rendered UI Layers or Frames

The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain.

Remediation

Update to version 3.1.3, or a newer patched version

How does WordSec protect against this?

The fix is the thing that ends this: updating to 3.1.3 is the step that ends it.

Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2011-3127 https://www.wordfence.com/threat-intel/vulnerabilities/id/ee2c5df2-250a-4e35-9219-2630d8d9253a https://nvd.nist.gov/vuln/detail/CVE-2011-3127

Related records

Other vulnerabilities in WordPress 3.1

CVSS Vector

7.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityLow

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