Redy WordPress theme: untrusted data can run unintended code
A flaw in the Redy WordPress theme lets an attacker feed it specially crafted data that the site then processes as commands. This can let strangers take control of the website.
| Severity | CriticalCVSS 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 |
How the attack works simplified
- 1AttackerSends crafted serialized data to the site
- 2Redy themeUnserializes the untrusted input without checks
- 3Object injectionMalicious object is created on the server
- 4Code executionAttacker gains control of the web server
- ResultAttacker controls the website server
What happened
The Redy theme by axiomthemes contains an unsafe deserialization flaw (object injection, CWE-502), where untrusted input is unserialized and can instantiate arbitrary objects. Affected versions are all releases through 1.3.5.
Are you affected?
You are affected if your website uses the Redy theme by axiomthemes at version 1.3.5 or earlier.
Redy theme by axiomthemes, all versions through 1.3.5
What to do
- Check whether the Redy theme is installed and note its version
- Update to a fixed version of Redy as soon as the vendor releases one; check the theme's update page
- If no fix is available, deactivate and remove the Redy theme and switch to a maintained theme
- Review the site for unexpected admin users or modified files
Timeline
- 23 Oct 2026, 13:17 UTCPublicly disclosed
- 23 Oct 2026, 13:17 UTCReported by NVD · NVD
- 25 Oct 2026, 17:20 UTCGitHub Advisory reported on it · GitHub Advisory
Sources 2 reports, oldest first
Official vendor, government CERT or advisory database
- NVD23 Oct 2026, 13:17 UTC
- Deserialization of Untrusted Data vulnerability in axiomthemes Redy redy allows Object Injection...GitHub Advisory · 23 Oct 2026, 15:31 UTC
Technical details
- ID
- CVE-2026-112855 · GHSA-rp4f-997r-jc7c
- CVSS
- 9.8 / 10
- EPSS
- 0.3% 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, 17:20 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