CVE-2015-9271: The VideoWhisper videowhisper-video-conference-integration plugin 4.91.8 for WordPress allows remote attackers to execute arbitrary code because vc/vw_upload.php considers a file safe when "html" are

critical Affects video-conference (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The VideoWhisper videowhisper-video-conference-integration plugin 4.91.8 for WordPress allows remote attackers to execute arbitrary code because vc/vw_upload.php considers a file safe when "html" are

Package
video-conference (WordPress plugin) WordPress
Affected versions
=4.91.8
Fixed in
no fix recorded
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 4% (91.2th percentile)
Published
2018-10-04
Source
nvd

References

CWE-434
NVD recordvideo-conference (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden wordpress /var/www/html

# or, without Composer
pipx install phpwarden   &&   phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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