Review reviewCritical

CVE-2019-19634

verot, k2

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.

CVSS
9.8
EPSS
4.15%
89.9% percentile
CISA KEV
Not listed
Published
2019.12.18
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability4.15%
Technical severityCVSS 9.8

Vulnerability overview

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.

Affected product and versions

Product
verot, k2
Affected versions
< 1.0.3, >= 2.0.0 < 2.0.4, <= 2.10.1
Fixed versions
1.0.3, 2.0.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that verot, k2 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-434
CVE-2019-19634 — verot, k2 | SECUFOCUS NOW