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Vulnerability record · CVE-2021-47788 · published 16 January 2026

CVE-2021-47788: Websitebaker unrestricted file upload vulnerability

Websitebaker · Websitebaker

WebsiteBaker 2.13.0 contains an authenticated remote code execution vulnerability that allows users with language editing permissions to execute arbitrary code. Attackers can exploit the language installation endpoint by manipulating language installation parameters to achieve remote code execution on the server.

8.7 CVSS 4.0 High EPSS 0.98% · top 39.4% CWE-434 · Unrestricted file upload
8.7CVSS 4.0 base score
0.98%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

WebsiteBaker 2.13.0 contains an authenticated remote code execution vulnerability that allows users with language editing permissions to execute arbitrary code. Attackers can exploit the language installation endpoint by manipulating language installation parameters to achieve remote code execution on the server.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://websitebaker.org/ Product
https://www.exploit-db.com/exploits/50310 ExploitVDB Entry
https://www.vulncheck.com/advisories/websitebaker-remote-code-execution-rce-authenticated Third Party Advisory
https://www.exploit-db.com/exploits/50310 ExploitVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-25990Websitebaker sql injection vulnerabilityWebsiteBaker 2.12.2 allows SQL Injection via parameter 'display_name' in /websitebaker/admin/preferences/save.php. Exploiting this issue could allow …EPSS 1.7%9.8CVE-2017-9771Websitebaker code injection vulnerabilityinstall\save.php in WebsiteBaker v2.10.0 allows remote attackers to execute arbitrary PHP code via the database_username, database_host, or database_…EPSS 1.4%9.8CVE-2017-9360Websitebaker sql injection vulnerabilityWebsiteBaker v2.10.0 has a SQL injection vulnerability in /account/details.php.EPSS 1.0%9.8CVE-2017-7410Websitebaker sql injection vulnerabilityMultiple SQL injection vulnerabilities in account/signup.php and account/signup2.php in WebsiteBaker 2.10.0 and earlier allow remote attackers to exe…EPSS 2.9%8.8CVE-2011-2934Websitebaker cross-site request forgery vulnerabilityA Cross Site Request Forgery (CSRF) vulnerability exists in the administrator functions in WebsiteBaker 2.8.1 and earlier due to inadequate confirmat…EPSS 0.50%7.5CVE-2011-4322Websitebaker missing authentication for critical function vulnerabilitywebsitebaker prior to and including 2.8.1 has an authentication error in backup module.EPSS 1.2%7.5CVE-2014-9242Websitebaker sql injection vulnerabilitySQL injection vulnerability in admin/pages/modify.php in WebsiteBaker 2.8.3 allows remote attackers to execute arbitrary SQL commands via the page_id…EPSS 2.1%7.2CVE-2011-2933Websitebaker unrestricted file upload vulnerabilityAn Arbitrary File Upload vulnerability exists in admin/media/upload.php in WebsiteBaker 2.8.1 and earlier due to a failure to restrict uploaded files…EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2021-47788), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.