PatchTheCVECVE-2023-0159: The Extensive VC Addons for WPBakery page builder WordPress plugin before 1.9.1 does not validate a parameter
CVE-2023-0159 is a high-severity flaw (CVSS 7.5) affecting extensive vc addons for wpbakery page builder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Extensive VC Addons for WPBakery page builder WordPress plugin before 1.9.1 does not validate a parameter passed to the php extract function when loading templates, allowing an unauthenticated attacker to override the template path to read arbitrary files from the hosts file system. This may be escalated to RCE using PHP filter chains.
Why this priority
- High severity
- EPSS top 1%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 55.5% (top 1%) |
| CISA exploited list | No |
| Published | 2023-02-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Exploit-DB: Extensive VC Addons for WPBakery page builder 1.9.0 - Remote Code Execution (RCE)
- Nuclei scan template: Extensive VC Addons for WPBakery page builder < 1.9.1 - Unauthenticated RCE
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-0159?
extensive vc addons for wpbakery page builder: upgrade to 1.9.1. Exact commands for each OS are on this page.
Is CVE-2023-0159 being exploited?
CVE-2023-0159 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-0159 affect?
CVE-2023-0159 affects extensive vc addons for wpbakery page builder. Severity is high (CVSS 7.5). The Extensive VC Addons for WPBakery page builder WordPress plugin before 1.9.1 does not validate a parameter passed to the php extract function when loading templates, allowing an unauthenticated attacker to override the template path to r
How urgent is CVE-2023-0159?
Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action
Software pages
WordPress vulnerabilities · PHP vulnerabilities