Vulnerability · Published Sep 7, 2026 · Assigned by VulDB

CVE-2026-86278SourceCodester Syllabus-Aligned Learning Management & Examination System manage_subjects.php cross site scripting

Medium 4.3

In plain English

A medium-severity cross-site scripting in Syllabus-Aligned Learning Management & Examination System from SourceCodester. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.5%top 59.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in SourceCodester Syllabus-Aligned Learning Management & Examination System 1.0. The affected element is an unknown function of the file manage_subjects.php. The manipulation of the argument msg/title/content results in cross site scripting. The attack may be performed from remote. The exploit has been made public and could be used.

Affected products (as reported)

Vendor	Product	Versions
SourceCodester	Syllabus-Aligned Learning Management & Examination System	1.0

Weakness: CWE-79, CWE-94 · 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-399439 | SourceCodester Syllabus-Aligned Learning Management & Examination System manage_subjects.php cross site scripting vdb-entry, technical-description
VDB-399439 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-86278 | CVE Analysis and Report third-party-advisory
Submit #904879 | SourceCodester Syllabus-Aligned Learning Management & Examination System 1.0 Cross Site Scripting third-party-advisory
https://github.com/hackliu/Vulnerability-Reports/blob/master/Syllabus%20Aligned%20Learning%20Management%20Examination%20System/VULN-05-XSS-Reflected-Stored.md exploit
https://www.sourcecodester.com/ product