How do I check whether I am affected by CVE-2026-112854?

Check the installed theme version in WordPress admin under Appearance > Themes, or inspect style.css for the Version header; versions through 1.2.6 are affected.

What is the fix for CVE-2026-112854?

Update Holistic Center to a version later than 1.2.6 once the vendor releases one; if none is available, deactivate the theme. Source does not name a fixed version: unknown.

Who is not affected by CVE-2026-112854?

Not affected if: theme-deactivated, theme-not-installed.

Live › vulnerability › CVE-2026-112854

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critical9.8Package

WordPress Holistic Center theme: object injection lets attackers run code

The Holistic Center WordPress theme by axiomthemes unsafely deserializes untrusted data, which allows PHP object injection. An attacker who can send crafted input may be able to run code on the site or read data it can reach.

Summary written from the sources below. Check the originals before acting.

CVSS 3.x

9.8

critical

scored by [email protected]

known so far4 of 6

missing: versions, primary source

First public: Oct 23, 2026 UTC
Last modified: Oct 23, 2026
Status: open
Known exploitation: None reported
Public exploit: None on GitHub
EPSS: 0.6% in 30d

First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.

Why it is critical, and not just CVSS

Likelihood → · Impact ↓

critical

high

medium

high

medium

low

medium

low

Exploited: No reports yet.
Needs login: Not known from the sources.
Needs a special setup: Not known from the sources.
Reachable from: internet.
Worst case: Attacker runs code on the server or reads site secrets via object injection.
CVSS said: 9.8. The facts above say high; we keep the sources' critical until an analyst looks.

Who is affected

No product ranges from the sources yet.

Know the next one before it finds you.

Add to Slack

Live › vulnerability › CVE-2026-112854

Go to dashboard

critical9.8Package

WordPress Holistic Center theme: object injection lets attackers run code

Summary written from the sources below. Check the originals before acting.

CVSS 3.x

9.8

critical

scored by [email protected]

known so far4 of 6

missing: versions, primary source

First public: Oct 23, 2026 UTC
Last modified: Oct 23, 2026
Status: open
Known exploitation: None reported
Public exploit: None on GitHub
EPSS: 0.6% in 30d

First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.

Why it is critical, and not just CVSS

Likelihood → · Impact ↓

critical

high

medium

high

medium

low

medium

low

Exploited: No reports yet.
Needs login: Not known from the sources.
Needs a special setup: Not known from the sources.
Reachable from: internet.
Worst case: Attacker runs code on the server or reads site secrets via object injection.
CVSS said: 9.8. The facts above say high; we keep the sources' critical until an analyst looks.

Who is affected

No product ranges from the sources yet.

Know the next one before it finds you.

Add to Slack

WordPress Holistic Center theme: object injection lets attackers run code

Why it is critical, and not just CVSS

Who is affected

Know the next one before it finds you.

WordPress Holistic Center theme: object injection lets attackers run code

Why it is critical, and not just CVSS

Who is affected

Know the next one before it finds you.

How to check

The fix

Who had it, and when

What the sources say, verbatim

Sources