WordPress security changelog
CRITICAL CVE-2018-16283 Modified

Wechat Brodcast: Filesystem traversal

Wechat Brodcast is affected by filesystem traversal. Exposure depends on how the affected operation is made reachable by the site. A crafted path can escape the intended directory and reach files or directories elsewhere on the server.

CVE / CNA score 9.8 CVSS · cve@mitre.org
NVD score 9.8 CVSS 3.0 · nvd@nist.gov
Component
Wechat Brodcast
Plugin slug
wechat-brodcast
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Sep 24, 2018
Weakness
CWE-22 — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

This CVE was published Sep 24, 2018 and is one of 1 known issue for this plugin.

What to do

Update, patch or deactivate.

Update Wechat Brodcast 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

The Wechat Broadcast plugin 1.2.0 and earlier for WordPress allows Directory Traversal via the Image.php url parameter.

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

References

Primary and upstream sources