Vulnerability · Published Jan 19, 2026 · Assigned by VulDB

CVE-2026-1154SourceCodester E-Learning System Lesson index.php cross site scripting

Medium 4.3

In plain English

A medium-severity injection in E-Learning System from SourceCodester. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.4%top 65.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A flaw has been found in SourceCodester E-Learning System 1.0. This impacts an unknown function of the file /admin/modules/lesson/index.php of the component Lesson Module Handler. Executing a manipulation of the argument Title/Description can lead to basic cross site scripting. The attack can be executed remotely. The exploit has been published and may be used.

Affected products (as reported)

Vendor	Product	Versions
SourceCodester	E-Learning System	1.0

Weakness: CWE-80, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R

References

VDB-341747 | SourceCodester E-Learning System Lesson index.php cross site scripting vdb-entry, technical-description
VDB-341747 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #735855 | SourceCodester E-Learning System (CAIWL) 1.0 Stored HTML Injection Vulnerability third-party-advisory
https://gist.github.com/0xCaptainFahim/dada955760b424a851de12bccadee997 exploit
https://www.sourcecodester.com/ product