What is CVE-2026-5840?

CVE-2026-5840 is a medium-severity vulnerability in Phpgurukul News Portal Project, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-04-09.

How severe is CVE-2026-5840?

Medium severity. CVSS v3 base score is 4.7 out of 10.

SQL Injection in Phpgurukul News Portal Project

CVE-2026-5840

A security flaw has been discovered in PHPGurukul News Portal Project 4.1. Impacted is an unknown function of the file /admin/check_availability.php. Performing a manipulation of the argument Username results in sql injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

Published 2026-04-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (24.9th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

Phpgurukul News Portal Project — versions 4.1

Weakness classification (CWE)

References

vuldb.com/vuln/356296 (technical-description, vdb-entry)
vuldb.com/vuln/356296/cti (signature, permissions-required)
vuldb.com/submit/789913 (third-party-advisory)
github.com/f1rstb100d/CVE/issues/29 (issue-tracking, exploit)
phpgurukul.com/ (product)

Frequently asked questions

What is CVE-2026-5840?: CVE-2026-5840 is a medium-severity vulnerability in Phpgurukul News Portal Project, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-04-09.
How severe is CVE-2026-5840?: Medium severity. CVSS v3 base score is 4.7 out of 10.