CVE-2024-30921: Cross Site Scripting vulnerability in DerbyNet v9.0 and below allows a remote attacker to execute arbitrary co

Q: How do I fix CVE-2024-30921?

derbynet: upgrade to newer than 9.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-30921 being exploited?

CVE-2024-30921 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-2024-30921 affect?

CVE-2024-30921 affects derbynet. Severity is medium (CVSS 5.4). Cross Site Scripting vulnerability in DerbyNet v9.0 and below allows a remote attacker to execute arbitrary code via the photo.php component.

Q: How urgent is CVE-2024-30921?

Priority 36/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2024-30921 is a medium-severity flaw (CVSS 5.4) affecting derbynet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting vulnerability in DerbyNet v9.0 and below allows a remote attacker to execute arbitrary code via the photo.php component.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-04-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: derbynet

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

Am I affected?

Timeline

2024-04-18 21:15 UTCPublished CVE record published
2026-06-17 07:27 UTCUpdated Record last modified

derbynet derbynet UPGRADE

Affected: <= 9.0

Fixed in: newer than 9.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 9.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade derbynet

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-2024-30921?

derbynet: upgrade to newer than 9.0. Exact commands for each OS are on this page.

Is CVE-2024-30921 being exploited?

CVE-2024-30921 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-2024-30921 affect?

CVE-2024-30921 affects derbynet. Severity is medium (CVSS 5.4). Cross Site Scripting vulnerability in DerbyNet v9.0 and below allows a remote attacker to execute arbitrary code via the photo.php component.

How urgent is CVE-2024-30921?

Priority 36/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-31818 CRITICAL 9.8 DOWNGRADE Directory Traversal vulnerability in DerbyNet v.9.0 allows a remote attacker to execute arbitrary code via the
CVE-2024-30929 HIGH 8.0 UPGRADE Cross Site Scripting vulnerability in DerbyNet v9.0 and below allows attackers to execute arbitrary code via t
CVE-2024-30928 HIGH 8.1 UPGRADE SQL Injection vulnerability in DerbyNet v9.0 and below allows attackers to execute arbitrary SQL commands via
CVE-2024-30927 MEDIUM 6.3 UPGRADE Cross Site Scripting vulnerability in DerbyNet v9.0 and below allows attackers to execute arbitrary code via t
CVE-2024-30926 MEDIUM 4.6 UPGRADE Cross Site Scripting vulnerability in DerbyNet v9.0 and below allows attackers to execute arbitrary code via t

References

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