CVE-2024-7129: The Appointment Booking Calendar WordPress plugin before 1.6.7.43 does not escape template syntax provided via user input, leading to Twig Template Injection which further exploited can result to remo

high Affects simply-schedule-appointments (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Appointment Booking Calendar WordPress plugin before 1.6.7.43 does not escape template syntax provided via user input, leading to Twig Template Injection which further exploited can result to remo

Package
simply-schedule-appointments (WordPress plugin) WordPress
Affected versions
<1.6.7.43
Fixed in
1.6.7.43
Severity
high  CVSS 7.2
Exploitation
not on CISA KEV · EPSS 1% (66.5th percentile)
Published
2024-09-13
Source
nvd

References

NVD recordsimply-schedule-appointments (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.

# one-time install
pip install phpwarden

# then
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