CVE-2022-4475: The Collapse-O-Matic WordPress plugin before 1.8.3 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as

medium Affects collapse-o-matic (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Collapse-O-Matic WordPress plugin before 1.8.3 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as

Package
collapse-o-matic (WordPress plugin) WordPress
Affected versions
<1.8.3
Fixed in
1.8.3
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (44.9th percentile)
Published
2023-01-23
Source
nvd

References

NVD recordcollapse-o-matic (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