Zero Radar
← feed
CriticalVulnerabilityCVE-2026-112853updated 25 Oct 2026, 17:05 UTC

Hallelujah WordPress theme: untrusted data can run code on your site

A flaw in this WordPress theme lets an attacker send specially crafted data that the site trusts and processes unsafely. This can let them take control of the website.

Official, 2 sources
SeverityCriticalCVSS 9.8 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official, 2 sourcesBacked by an official source

What happened

A deserialization of untrusted data flaw (object injection, CWE-502) affects the axiomthemes Hallelujah theme for WordPress, through version 1.1.1.

Why it is dangerous: A successful attacker could potentially run code, change content, or take over the site, putting site owners and their visitors at serious risk.

Are you affected?

You are affected if you run the axiomthemes Hallelujah theme, version 1.1.1 or earlier, on your WordPress site.

axiomthemes Hallelujah (WordPress theme): all versions through 1.1.1

What to do

  1. Check whether the Hallelujah theme is installed and which version it is
  2. Watch for an updated theme version from axiomthemes and install it as soon as it is released
  3. If no fix is available, switch to a different theme or restrict access to the site until a fix exists

Timeline

  1. 23 Oct 2026, 13:17 UTC
    Publicly disclosed
  2. 23 Oct 2026, 13:17 UTC
    Reported by NVD · NVD
  3. 25 Oct 2026, 17:05 UTC
    GitHub Advisory reported on it · GitHub Advisory

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-112853 · GHSA-w38j-prhv-7qfm
CVSS
9.8 / 10
EPSS
0.4% chance of exploitation within 30 days
Disclosed
23 Oct 2026, 13:17 UTC
On Zero Radar
before the radar started
Last change
25 Oct 2026, 17:05 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

Hallelujah WordPress theme: untrusted data can run code on your site · Zero Radar