CVE-2020-35129: Mautic stored Cross-site Scripting (XSS)

critical Affects mautic/core. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Mautic stored Cross-site Scripting (XSS)

Package
mautic/core Composer
Affected versions
<3.2.4
Fixed in
3.2.4
Severity
critical  CVSS 9.0
Exploitation
not on CISA KEV · EPSS 1% (63.3th percentile)
Published
2022-05-24
Source
osv.dev

References

CWE-79
NVD recordmautic/core 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
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