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CVE-2023-40033: Flarum vulnerable to LFI and Blind SSRF via Avatar upload

high Affects flarum/core, flarum/framework. Feed 2026.10.29.2, updated 2026-10-29; published ; advisory modified .

Flarum vulnerable to LFI and Blind SSRF via Avatar upload

Package
flarum/core Composer
Affected versions
<1.8.0
Fixed in
1.8.0
Severity
high  CVSS 7.1
Exploitation
not on CISA KEV · EPSS 1% (43.0th percentile)
Published
2023-08-16
Source
osv.dev

References

Flarum vulnerable to LFI and Blind SSRF via Avatar upload

Package
flarum/framework Composer
Affected versions
<1.8.0
Fixed in
1.8.0
Severity
high  CVSS 7.1
Exploitation
not on CISA KEV · EPSS 1% (43.0th percentile)
Published
2023-08-16
Source
osv.dev

References

CWE-918CWE-98
NVD recordflarum/core advisoriesflarum/framework advisories

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# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

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pipx install phpwarden   &&   phpwarden deps composer.lock

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