WordPress security changelog
MEDIUM CVE-2016-7168 Modified

the media_handle_upload function in wp-admin/includes/media.php in WordPress before 4.6.1 might: Cross-site scripting

the media_handle_upload function in wp-admin/includes/media.php in WordPress before 4.6.1 might is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 4.8 CVSS · cve@mitre.org
NVD score 4.8 CVSS 3.0 · nvd@nist.gov
Component
the media_handle_upload function in wp-admin/includes/media.php in WordPress before 4.6.1 might
Plugin slug
Not applicable
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jan 05, 2017
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
What to do

Update, patch or deactivate.

Update the media_handle_upload function in wp-admin/includes/media.php in WordPress before 4.6.1 might 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.

Source record

Technical description

Cross-site scripting (XSS) vulnerability in the media_handle_upload function in wp-admin/includes/media.php in WordPress before 4.6.1 might allow remote attackers to inject arbitrary web script or HTML by tricking an administrator into uploading an image file that has a crafted filename.

NVD vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

References

Primary and upstream sources