CVE-2026-3007
Stored Cross-Site Scripting (XSS) Vulnerability
Description
Successful exploitation of the stored cross-site scripting (XSS) vulnerability could allow an attacker to execute arbitrary JavaScript on any user account that has access to Koollab LMS’ courselet feature.
INFO
Published Date :
April 23, 2026, 4:16 a.m.
Last Modified :
April 23, 2026, 4:16 a.m.
Remotely Exploit :
Yes !
Source :
5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
Affected Products
The following products are affected by CVE-2026-3007
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4 |
Solution
- Sanitize all user-generated content before display.
- Implement output encoding for user-supplied data.
- Validate and filter script content.
- Update the courselet feature software.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-3007.
| URL | Resource |
|---|---|
| https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-042/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-3007 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-3007
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-3007 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-3007 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 5f57b9bf-260d-4433-bf07-b6a79e9bb7d4
Apr. 23, 2026
Action Type Old Value New Value Added Description Successful exploitation of the stored cross-site scripting (XSS) vulnerability could allow an attacker to execute arbitrary JavaScript on any user account that has access to Koollab LMS’ courselet feature. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Added Reference https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-042/