CVE-2022-30999: FriendsofFlarum (FoF) Upload is an extension that handles file uploads intelligently for your forum

Q: How do I fix CVE-2022-30999?

upload: upgrade to 1.2.3. Exact commands for each OS are on this page.

Q: Is CVE-2022-30999 being exploited?

CVE-2022-30999 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-30999 affect?

CVE-2022-30999 affects upload. Severity is high (CVSS 8.7). FriendsofFlarum (FoF) Upload is an extension that handles file uploads intelligently for your forum. If FoF Upload prior to version 1.2.3 is configured to allow the uploading of SVG files ('image/svg+xml'), navigating directly to an SVG fil

Q: How urgent is CVE-2022-30999?

Priority 53/100. High severity; Public exploit reference

This month

HIGH 8.7UPGRADE

CVE-2022-30999 is a high-severity flaw (CVSS 8.7) affecting upload. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FriendsofFlarum (FoF) Upload is an extension that handles file uploads intelligently for your forum. If FoF Upload prior to version 1.2.3 is configured to allow the uploading of SVG files ('image/svg+xml'), navigating directly to an SVG file URI could execute arbitrary Javascript code decided by an attacker. This Javascript code could include the execution of HTTP web requests to Flarum, or any other web service. This could allow data to be leake

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.7 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-06-02
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: friendsofflarum

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-06-02 14:15 UTCPublished CVE record published
2026-06-17 04:44 UTCUpdated Record last modified

friendsofflarum upload UPGRADE

Affected: < 1.2.3

Fixed in: 1.2.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy upload || rpm -q upload || upload --version

2. UPGRADE to 1.2.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade upload

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade upload

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-30999?

upload: upgrade to 1.2.3. Exact commands for each OS are on this page.

Is CVE-2022-30999 being exploited?

CVE-2022-30999 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-30999 affect?

CVE-2022-30999 affects upload. Severity is high (CVSS 8.7). FriendsofFlarum (FoF) Upload is an extension that handles file uploads intelligently for your forum. If FoF Upload prior to version 1.2.3 is configured to allow the uploading of SVG files ('image/svg+xml'), navigating directly to an SVG fil

How urgent is CVE-2022-30999?

Priority 53/100. High severity; Public exploit reference

References

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