What is CVE-2026-82222?

CVE-2026-82222 is a critical-severity vulnerability in Liquid Web / Stellarwp Givewp, classified under Deserialization of Untrusted Data. CVSS score: 10.0/10. Published 2026-08-28.

How severe is CVE-2026-82222?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2026-82222 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Liquid Web / Stellarwp Givewp

CVE-2026-82222

Deserialization of Untrusted Data vulnerability in Liquid Web / StellarWP GiveWP allows Object Injection. This issue affects GiveWP: from n/a through 4.16.7.1.

Vulnerability class: Insecure Deserialization

Published 2026-08-28 · last modified 2026-08-28.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.022 (82.4th percentile), scored 2026-10-13.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.022 · change: +0.007

Affected products

Liquid Web / Stellarwp Givewp

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

patchstack.com/database/wordpress/plugin/give/vulnerability/wordpress-givewp-pl… (vdb-entry)
patchstack.com/articles/unauthenticated-php-object-injection-to-remote-code-exe… (third-party-advisory)

Frequently asked questions

What is CVE-2026-82222?: CVE-2026-82222 is a critical-severity vulnerability in Liquid Web / Stellarwp Givewp, classified under Deserialization of Untrusted Data. CVSS score: 10.0/10. Published 2026-08-28.
How severe is CVE-2026-82222?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2026-82222 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.