GHSA-9jp8-cwwx-p64q: XSS in richtext custom tag attributes in ezsystems/ezplatform-richtext

medium Affects ezsystems/ezplatform-admin-ui. Feed 2026.10.29.1, updated 2026-10-28; published 2021-12-01; advisory modified 2024-12-02.

XSS in richtext custom tag attributes in ezsystems/ezplatform-richtext

Package: ezsystems/ezplatform-admin-ui Composer
Affected versions: >=1.5.0 and <1.5.25.1
Fixed in: 1.5.25.1
Severity: medium
Exploitation: not on CISA KEV
Published: 2021-12-01
Source: osv.dev

References

NVD record ezsystems/ezplatform-admin-ui advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock 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 deps composer.lock

# or, without Composer
pipx install phpwarden   &&   phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2019-12139 medium ezplatform-admin-ui Cross-site Scripting (XSS) vulnerability same package: ezsystems/ezplatform-admin-ui
GHSA-gc5h-6jx9-q2qh medium eZ Platform Admin UI vulnerable to DOM-based Cross-site Scripting in file upload widget same package: ezsystems/ezplatform-admin-ui
GHSA-6v6p-g8cg-2hgg medium Improper Certificate Validation in node-sass affects eZ Platform same package: ezsystems/ezplatform-admin-ui
2019-04-03-1 unknown EZSA-2019-002 Password reset vulnerability same package: ezsystems/ezplatform-admin-ui
GHSA-58h5-h554-429q critical ezplatform-admin-ui vulnerable to Cross-Site Scripting (XSS) same package: ezsystems/ezplatform-admin-ui
GHSA-99c7-c3mw-mxhv medium ezsystems/ezplatform-admin-ui has an XSS vulnerability in Cancel/Reschedule future publica same package: ezsystems/ezplatform-admin-ui