CVE-2024-35621: formwork Cross-site scripting vulnerability in Markdown fields

medium Affects getformwork/formwork. Feed 2026.10.29.4, updated 2026-10-29; published 2024-05-28; advisory modified 2026-07-08.

formwork Cross-site scripting vulnerability in Markdown fields

Package: getformwork/formwork Composer
Affected versions: <1.13.0
Fixed in: 1.13.0
Severity: medium CVSS 4.8
Exploitation: not on CISA KEV · EPSS 0% (19.3th percentile)
Published: 2024-05-28
Source: osv.dev

References

CWE-79

NVD record getformwork/formwork 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-2023-24230 medium Formwork Cross-site Scripting (XSS) from Page title field same package: getformwork/formwork
CVE-2024-37160 medium Cross-site scripting (XSS) vulnerability in Description metadata same package: getformwork/formwork
CVE-2026-27198 high Formwork Improperly Managed Privileges in User creation same package: getformwork/formwork
CVE-2025-65956 medium Formwork CMS has Stored Cross-Site Scripting Vulnerebility in Blog Tags same package: getformwork/formwork
GHSA-c85w-x26q-ch87 high Formwork improperly validates input of User role preventing site and panel availability same package: getformwork/formwork
GHSA-vf6x-59hh-332f medium Formwork has a cross-site scripting (XSS) vulnerability in Site title same package: getformwork/formwork