CVE-2023-0363: The Scheduled Announcements Widget WordPress plugin before 1.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, wh

medium Affects scheduled-announcements-widget (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The Scheduled Announcements Widget WordPress plugin before 1.0 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, wh

Package
scheduled-announcements-widget (WordPress plugin) WordPress
Affected versions
<1.0
Fixed in
1.0
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 0% (38.6th percentile)
Published
2023-04-10
Source
nvd

References

CWE-79
NVD recordscheduled-announcements-widget (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