# CVE-2026-75078 — SourceCodester Class and Exam Timetabling System

> As of 2026-08-17, CVE-2026-75078 is a MEDIUM-severity vulnerability in SourceCodester Class and Exam Timetabling System, CVSS v3.1 4.3, EPSS 0.2% (19.6th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-75078 as of 2026-08-17; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-17

## What is CVE-2026-75078?

A security flaw has been discovered in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /BSHRM1.php. Performing a manipulation of the argument course results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

The record classifies CVE-2026-75078 under weakness classes [CWE-79](https://intel.threadlinqs.com/cwe/CWE-79), [CWE-94](https://intel.threadlinqs.com/cwe/CWE-94). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 49 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.3 — MEDIUM (`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`)
- **CVSS v4.0 base score:** 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 19.6% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 2.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-17

## Is CVE-2026-75078 being exploited?

It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [SourceCodester](https://intel.threadlinqs.com/vendors/sourcecodester): Class and Exam Timetabling System

## How to fix CVE-2026-75078

No vendor patch reference has been recorded for CVE-2026-75078 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-75078

No threat campaign in the Threadlinqs corpus currently references CVE-2026-75078, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-08-18.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/i-QvQ-i/first-OvO/issues/5)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/391306)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/391306/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-75078)
- [vuldb.com — third party advisory (876544)](https://vuldb.com/submit/876544)

**Issue tracking and product pages**

- [sourcecodester.com — product](https://www.sourcecodester.com/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-75078
Full detection coverage and IOCs for threats exploiting CVE-2026-75078 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp