CVE-2026-3070: A vulnerability was detected in SourceCodester Modern Image Gallery App 1.0

Routine

MEDIUM 4.3DOWNGRADE

CVE-2026-3070 is a medium-severity flaw (CVSS 4.3) affecting modern image gallery app. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was detected in SourceCodester Modern Image Gallery App 1.0. Affected by this vulnerability is an unknown functionality of the file upload.php. The manipulation of the argument filename results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2026-02-24
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: remyandrade

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

Am I affected?

Timeline

2026-02-24 05:17 UTCPublished CVE record published
2026-06-17 10:43 UTCUpdated Record last modified

remyandrade modern image gallery app DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy modern-image-gallery-app || rpm -q modern-image-gallery-app || modern-image-gallery-app --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison modern-image-gallery-app sudo apt install modern-image-gallery-app=<VERSION_BEFORE_1.0> sudo apt-mark hold modern-image-gallery-app

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list modern-image-gallery-app sudo dnf downgrade modern-image-gallery-app-<VERSION_BEFORE_1.0> sudo dnf versionlock add modern-image-gallery-app

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-3070?

modern image gallery app: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-3070 being exploited?

CVE-2026-3070 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-2026-3070 affect?

CVE-2026-3070 affects modern image gallery app. Severity is medium (CVSS 4.3). A vulnerability was detected in SourceCodester Modern Image Gallery App 1.0. Affected by this vulnerability is an unknown functionality of the file upload.php. The manipulation of the argument filename results in cross site scripting. The a

How urgent is CVE-2026-3070?

Priority 26/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-3695 MEDIUM 6.5 DOWNGRADE A vulnerability has been found in SourceCodester Modern Image Gallery App 1.0
CVE-2025-70457 CRITICAL 9.8 DOWNGRADE A Remote Code Execution (RCE) vulnerability exists in Sourcecodester Modern Image Gallery App v1.0 within the

References

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