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HIGH severity

CVE-2026-104123 — Lemssh77

HIGH

CVE-2026-104123 is a high-severity (CVSS 7.3) CWE-74 vulnerability. No vendor fix is recorded yet; mitigation options are listed below.

A vulnerability was detected in SourceCodester Online Reviewer Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /reviewer_0/admins/assessments/activities/btn_functions.php?action=activity.…

Published
Oct 2, 2026
Updated
Oct 2, 2026
Affected
—
Patched
—
Exploits
None indexed
Exploitation data as of Oct 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

A vulnerability was detected in SourceCodester Online Reviewer Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /reviewer_0/admins/assessments/activities/btn_functions.php?action=activity. The manipulation of the argument Title results in sql injection. The attack may be launched remotely. The exploit is now public and may be used.

Detection & mitigation playbook

Vulnerability
  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    No fixed release is recorded for CVE-2026-104123 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    Until you can upgrade, make sure every query built from user input uses parameterised statements or a prepared-statement API rather than string concatenation, and reduce the database account's privileges so an injected query cannot read or alter data beyond what the feature needs.

Frequently Asked Questions

A vulnerability was detected in SourceCodester Online Reviewer Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /reviewer_0/admins/assessments/activities/btn_functions.php?action=activity. The manipulation of the argument Title results in sql injection. The attack may be launched remotely. The exploit is now public and may be used.
O3 Security · Impact-Aware SCA

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CVE-2026-104123: Lemssh77 (High 7.3) | O3 Security