Deserialization in Weavertheme Weaver Xtreme Theme Support

CVE-2023-4971

The Weaver Xtreme Theme Support WordPress plugin before 6.3.1 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 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.8% 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-2023-4971: held from 0.010 to 0.012.

EPSS over last 30 days · oldest: 0.010 · newest: 0.012 · change: +0.002

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-4971?
CVE-2023-4971 is a high-severity vulnerability in Weavertheme Weaver Xtreme Theme Support, classified under Deserialization of Untrusted Data. CVSS score: 7.2/10. Published 2023-10-16.
How severe is CVE-2023-4971?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-4971 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.