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Vulnerability record · CVE-2020-18879 · published 20 August 2021

CVE-2020-18879: Bludit unrestricted file upload vulnerability

Bludit · Bludit

Unrestricted File Upload in Bludit v3.8.1 allows remote attackers to execute arbitrary code by uploading malicious files via the component 'bl-kereln/ajax/upload-logo.php'.

9.8 CVSS 3.1 Critical EPSS 3.1% · top 12.6% CWE-434 · Unrestricted file upload
9.8CVSS 3.1 base score, v2 7.5
3.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Unrestricted File Upload in Bludit v3.8.1 allows remote attackers to execute arbitrary code by uploading malicious files via the component 'bl-kereln/ajax/upload-logo.php'.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://github.com/bludit/bludit/issues/1011 ExploitIssue TrackingThird Party Advisory
https://github.com/bludit/bludit/issues/1011 ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2019-17240Bludit improper restriction of authentication attempts vulnerabilitybl-kernel/security.class.php in Bludit 3.9.2 allows attackers to bypass a brute-force protection mechanism by using many different forged X-Forwarded…EPSS 40%9.1CVE-2020-20495Bludit vulnerabilitybludit v3.13.0 contains an arbitrary file deletion vulnerability in the backup plugin via the `deleteBackup' parameter.EPSS 1.5%9.1CVE-2020-18190Bludit path traversal vulnerabilityBludit v3.8.1 is affected by directory traversal. Remote attackers are able to delete arbitrary files via /admin/ajax/upload-profile-picture.EPSS 2.0%8.9CVE-2024-24551Bludit command injection vulnerabilityA security vulnerability has been identified in Bludit, allowing authenticated attackers to execute arbitrary code through the Image API. This vulner…EPSS 0.76%8.9CVE-2024-24550Bludit command injection vulnerabilityA security vulnerability has been identified in Bludit, allowing attackers with knowledge of the API token to upload arbitrary files through the File…EPSS 0.69%8.8CVE-2020-20210Bludit unrestricted file upload vulnerabilityBludit 3.9.2 is vulnerable to Remote Code Execution (RCE) via /admin/ajax/upload-images.EPSS 1.3%8.8CVE-2023-31572Bludit vulnerabilityAn issue in Bludit 4.0.0-rc-2 allows authenticated attackers to change the Administrator password and escalate privileges via a crafted request.EPSS 0.84%8.8CVE-2019-16113Bludit image upload path traversal leads to remote code executionBludit 3.9.2 lets an authenticated user upload a file named with a .jpg extension that still contains PHP code, and the upload handler in bl-kernel/a…EPSS 78%analysed

Source: NIST National Vulnerability Database (record CVE-2020-18879), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.