Deserialization in Weaver Show Posts

CVE-2023-3360

The Weaver Show Posts WordPress plugin before 1.8.1 unserialises the content of an imported file, which could lead to PHP object injections issues when a high privilege user import a malicious file and a suitable gadget chain is present on the blog.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (3.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-3360: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Weaver Show Posts

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-3360?
CVE-2023-3360 is a low-severity vulnerability in Weaver Show Posts, classified under Deserialization of Untrusted Data. CVSS score: 3.3/10. Published 2026-09-02.
How severe is CVE-2023-3360?
Low severity. CVSS v3 base score is 3.3 out of 10.