phpwarden
FeaturesComparePricingAdvisoriesBlogDocsChangelogLog in
Log inStart free

CVE-2023-47833: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jeroen Schmit Theater for WordPress plugin <= 0.18.3 versions.

medium Affects theater-for-wordpress (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jeroen Schmit Theater for WordPress plugin <= 0.18.3 versions.

Package
theater-for-wordpress (WordPress plugin) WordPress
Affected versions
<=0.18.3
Fixed in
no fix recorded
Severity
medium  CVSS 5.9
Exploitation
not on CISA KEV · EPSS 0% (33.5th percentile)
Published
2023-11-23
Source
nvd

References

CWE-79
NVD recordtheater-for-wordpress (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.

Install docs   How findings are ranked

Related advisories