WordPress security changelog
MEDIUM CVE-2015-5731 Modified

wp-admin/post.php in WordPress before 4.2.4: Cross-site request forgery

wp-admin/post.php in WordPress before 4.2.4 is affected by cross-site request forgery. Exposure depends on how the affected operation is made reachable by the site. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request.

CVE / CNA score 6.8 CVSS · cve@mitre.org
NVD score 6.8 CVSS 2.0 · nvd@nist.gov
Component
wp-admin/post.php in WordPress before 4.2.4
Plugin slug
Not applicable
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Nov 09, 2015
Weakness
CWE-352 — Cross-Site Request Forgery (CSRF)

Update, patch or deactivate.

Update wp-admin/post.php in WordPress before 4.2.4 to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

Cross-site request forgery (CSRF) vulnerability in wp-admin/post.php in WordPress before 4.2.4 allows remote attackers to hijack the authentication of administrators for requests that lock a post, and consequently cause a denial of service (editing blockage), via a get-post-lock action.

NVD vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Primary and upstream sources