WordPress security changelog
MEDIUM CVE-2019-20203 Modified

Postie: A security weakness

Postie is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 5.3 CVSS · cve@mitre.org
NVD score 5.3 CVSS 3.1 · nvd@nist.gov
Component
Postie
Plugin slug
postie
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jan 02, 2020
Weakness
CWE-290 — Authentication Bypass by Spoofing

This CVE was published Jan 02, 2020 and is one of 5 known issues for this plugin.

Update, patch or deactivate.

Update Postie 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

The Authorized Addresses feature in the Postie plugin 1.9.40 for WordPress allows remote attackers to publish posts by spoofing the From information of an email message.

NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Primary and upstream sources