CVE-2026-16220 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-16220LOW

code-projects Online Examination System account.php cross site scripting

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   P   N   L   N    2.1   .0027   19.7     —

AFFECTED
  Product                    Versions  Fixed
  Online Examination System  1.0 –     —

TIMELINE
  Jul 18  Reserved by VulDB
  Jul 19  EXPLOIT PUBLISHED — CVE-2026-16220 (code-projects Online Examination System). Public exploit reference added.
  Jul 19  Published (CNA: VulDB)
  Jul 22  RESCORED — CVE-2026-16220 (code-projects Online Examination System). CVSS 5.3 → 2.1 (NVD).

CWE-79, CWE-94 · CNA: VulDB · CVSS v4.0 · 6 references · NVD status: Deferred

Description

A vulnerability has been found in code-projects Online Examination System 1.0. This vulnerability affects unknown code of the file /account.php?q=quiz. Such manipulation of the argument eid/n/t leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
July 18, 2026	Reserved	Reserved by VulDB
July 19, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-16220 (code-projects Online Examination System). Public exploit reference added.
July 19, 2026	Published	Published (CNA: VulDB)
July 22, 2026	RESCORED	RESCORED — CVE-2026-16220 (code-projects Online Examination System). CVSS 5.3 → 2.1 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
code-projects	Online Examination System	—	1.0	—

Weaknesses

CWE-79 · CWE-94

References (6)

Authoritative record: CVE-2026-16220 at cve.org

Vendors: code-projects

Weaknesses: CWE-79 · CWE-94

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16220 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.