CVE-2017-8298: Canvs Canvas Cross-site Scripting (XSS) via title and content fields

medium Affects austintoddj/canvas. Feed 2026.10.29.1, updated 2026-10-28; published 2022-05-17; advisory modified 2024-01-10.

Canvs Canvas Cross-site Scripting (XSS) via title and content fields

Package: austintoddj/canvas Composer
Affected versions: =3.3.0
Fixed in: no fix recorded
Severity: medium CVSS 5.4
Exploitation: not on CISA KEV · EPSS 1% (49.3th percentile)
Published: 2022-05-17
Source: osv.dev

References

CWE-79

NVD record austintoddj/canvas 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.

# one-time install
pip install phpwarden

# then
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-2017-1000507 medium Canvs Canvas XSS Vulnerability same package: austintoddj/canvas
CVE-2020-11023 KEV medium Potential XSS vulnerability in jQuery same weakness: CWE-79
CVE-2019-9978 KEV medium The social-warfare plugin before 3.5.3 for WordPress has stored XSS via the wp-admin/admin same weakness: CWE-79
CVE-2020-11022 medium Potential XSS vulnerability in jQuery same weakness: CWE-79
CVE-2022-3562 medium Cross-site Scripting in librenms/librenms same weakness: CWE-79
CVE-2022-4067 medium Cross-site Scripting in librenms/librenms same weakness: CWE-79