Skip to main content
Public proof of conceptFix available

CVE-2019-19634

A public proof of concept exists; no exploitation attested.

  • Published2019-12-17
  • 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 through 1.0.3 and 2.x through 2.0.4, as used in the K2 extension for Joomla! and other products, omits .pht from the set of dangerous file extensions, a similar issue to CVE-2019-19576.

Timeline

dates in UTC
  1. 2019-12-1718:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 03:37 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-2019-19634?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-19634?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
verot/class.upload.php
BranchAffectedFixed in
1.0≤ 1.0.3no fix published
2.0≥ 2.0.0, ≤ 2.0.4no fix published
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

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-02 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedjra89/CVE-2019-19634
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
2019-12-17
Last Modified
2026-06-26
NVD status
Modified
GitHub Advisory
GHSA-2gc7-w4hw-rr2m

Frequently asked questions

What is CVE-2019-19634?

class.upload.php in verot.net class.upload through 1.0.3 and 2.x through 2.0.4, as used in the K2 extension for Joomla! and other products, omits .pht from the set of dangerous file extensions, a similar issue to CVE-2019-19576.

Is CVE-2019-19634 actively exploited?

Active exploitation of CVE-2019-19634 has not been confirmed. Its EPSS score was 4.2% on 2026-11-02, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-19634?

CVE-2019-19634 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.

Running verot/class.upload.php? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, October 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record