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Vulnerability record · CVE-2021-27112 · published 15 April 2021

CVE-2021-27112: Lightcms project lightcms vulnerability

Lightcms Project · Lightcms

LightCMS v1.3.5 contains a remote code execution vulnerability in /app/Http/Controllers/Admin/NEditorController.php during the downloading of external images.

9.8 CVSS 3.1 Critical EPSS 2.4% · top 16.5%
9.8CVSS 3.1 base score, v2 7.5
2.4%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

LightCMS v1.3.5 contains a remote code execution vulnerability in /app/Http/Controllers/Admin/NEditorController.php during the downloading of external images.

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/eddy8/LightCMS/issues/19 ExploitIssue TrackingThird Party Advisory
https://github.com/eddy8/LightCMS/issues/19 ExploitIssue TrackingThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2023-27060Lightcms project lightcms missing authentication for critical function vulnerabilityLightCMS v1.3.7 was discovered to contain a remote code execution (RCE) vulnerability via the image:make function.EPSS 1.3%6.1CVE-2026-29934Lightcms project lightcms cross-site scripting vulnerabilityA reflected cross-site scripting (XSS) vulnerability in the /admin/menus component of Lightcms v2.0 allows attackers to execute arbitrary Javascript …EPSS 0.25%5.4CVE-2024-22559Lightcms project lightcms cross-site scripting vulnerabilityLightCMS v2.0 is vulnerable to Cross Site Scripting (XSS) in the Content Management - Articles field.EPSS 0.33%5.4CVE-2021-3355Lightcms project lightcms cross-site scripting vulnerabilityA stored-self XSS exists in LightCMS v1.3.4, allowing an attacker to execute HTML or JavaScript code in a vulnerable Title field to /admin/SensitiveW…EPSS 7.2%4.8CVE-2022-33009Lightcms project lightcms cross-site scripting vulnerabilityA stored cross-site scripting (XSS) vulnerability in LightCMS v1.3.11 allows attackers to execute arbitrary web scripts or HTML via uploading a craft…EPSS 0.52%

Source: NIST National Vulnerability Database (record CVE-2021-27112), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.