CVE-2023-6623
The Essential Blocks WordPress plugin before 4.4.3 does not prevent unauthenticated attackers from overwriting local variables when rendering templates over the REST API, which may lead to Local File Inclusion attacks.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 50.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
The Essential Blocks WordPress plugin before 4.4.3 does not prevent unauthenticated attackers from overwriting local variables when rendering templates over the REST API, which may lead to Local File Inclusion attacks.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 50.67% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- wpdeveloper/essential blocks
- Source
- contact@wpscan.com
EPSS 50.7% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://wpscan.com/blog/file-inclusion-vulnerability-fixed-in-essential-blocks-4-4-3/Exploit, Third Party Advisory
- https://wpscan.com/vulnerability/633c28e0-0c9e-4e68-9424-55c32789b41fExploit, Third Party Advisory
- https://wpscan.com/blog/file-inclusion-vulnerability-fixed-in-essential-blocks-4-4-3/Exploit, Third Party Advisory
- https://wpscan.com/vulnerability/633c28e0-0c9e-4e68-9424-55c32789b41fExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.