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Public proof of conceptFix available

CVE-2019-19576

A public proof of concept exists; no exploitation attested.

  • Published2019-12-04
  • Fixed in2.0.4 · 1.0.3
  • WeaknessCWE-434

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

class.upload.php in verot.net class.upload before 1.0.3 and 2.x before 2.0.4, as used in the K2 extension for Joomla! and other products, omits .phar from the set of dangerous file extensions.

Timeline

dates in UTC
  1. 2019-12-0418:15CVE publishedNVD
  2. 2019-12-06Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-19576?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-19576?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Verot project verot
BranchAffectedFixed in
2.0≥ 2.0.0, < 2.0.42.0.4
1.0< 1.0.31.0.3
Joomlaworks k2
BranchAffectedFixed in
2.10≤ 2.10.1no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Verot project verot to 2.0.4 · 1.0.3

Advisories and patches

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-47749
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedjra89/CVE-2019-19576
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-12-04
Last Modified
2026-06-26
NVD status
Modified
GitHub Advisory
GHSA-r5gm-4p5w-pq2p

Frequently asked questions

What is CVE-2019-19576?

class.upload.php in verot.net class.upload before 1.0.3 and 2.x before 2.0.4, as used in the K2 extension for Joomla! and other products, omits .phar from the set of dangerous file extensions.

Is CVE-2019-19576 actively exploited?

Active exploitation of CVE-2019-19576 has not been confirmed. Its EPSS score was 26.4% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-19576?

CVE-2019-19576 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record