CVE-2026-57828 — 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-2026-57828CRITICAL

phoca.cz phoca.cz Phoca Download extension for Joomla — Joomla Extension - phoca.cz - Authenticated file upload in Phoca Downloads component < 6.1.3

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   P   L   N   H   H   H    9.0   .0037   30.5     —

AFFECTED
  Product                                       Versions     Fixed
  phoca.cz Phoca Download extension for Joomla  1.0-6.1.2 –  —

TIMELINE
  Jun 25  Reserved by Joomla
  Jul 11  EXPLOIT PUBLISHED — CVE-2026-57828 (phoca.cz Phoca Download extension for Joomla). Public exploit reference added.
  Jul 11  Published (CNA: Joomla)
  Jul 23  EXPLOIT PUBLISHED — CVE-2026-57828 (phoca.cz Phoca Download extension for Joomla). Public exploit reference added.

CWE-434 · CNA: Joomla · CVSS v4.0 · 2 references · NVD status: Modified

Description

Joomla Extension - phoca.cz - Authenticated file upload in Phoca Downloads component < 6.1.3 - The Joomla extension Phoca Downloads is vulnerable to an authenticated arbitrary file upload that allows registered users uploading executable files and leads to full RCE.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
June 25, 2026	Reserved	Reserved by Joomla
July 11, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-57828 (phoca.cz Phoca Download extension for Joomla). Public exploit reference added.
July 11, 2026	Published	Published (CNA: Joomla)
July 23, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-57828 (phoca.cz Phoca Download extension for Joomla). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
phoca.cz	phoca.cz Phoca Download extension for Joomla	—	1.0-6.1.2	—

Weaknesses

CWE-434

References (2)

https://mysites.guru/blog/phoca-download-authenticated-file-upload-rce/ [third-party-advisory]
https://www.phoca.cz/phocadownload [product]

Authoritative record: CVE-2026-57828 at cve.org

Vendors: phoca.cz

Weaknesses: CWE-434

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-57828 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.