CVE-2025-6843: A vulnerability was found in code-projects Simple Photo Gallery 1.0

This week

HIGH 7.3REMOTEDOWNGRADE

CVE-2025-6843 is a high-severity flaw (CVSS 7.3) affecting simple photo gallery. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in code-projects Simple Photo Gallery 1.0. It has been classified as critical. Affected is an unknown function of the file /upload-photo.php. The manipulation of the argument file_img leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-284, CWE-434
Published	2025-06-29
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: fabian

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

Am I affected?

Timeline

2025-06-29 04:15 UTCPublished CVE record published
2026-06-17 10:02 UTCUpdated Record last modified

fabian simple photo gallery 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 simple-photo-gallery || rpm -q simple-photo-gallery || simple-photo-gallery --version

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

apt-cache madison simple-photo-gallery sudo apt install simple-photo-gallery=<VERSION_BEFORE_1.0> sudo apt-mark hold simple-photo-gallery

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

dnf --showduplicates list simple-photo-gallery sudo dnf downgrade simple-photo-gallery-<VERSION_BEFORE_1.0> sudo dnf versionlock add simple-photo-gallery

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-2025-6843?

simple photo gallery: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-6843 being exploited?

CVE-2025-6843 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-2025-6843 affect?

CVE-2025-6843 affects simple photo gallery. Severity is high (CVSS 7.3). A vulnerability was found in code-projects Simple Photo Gallery 1.0. It has been classified as critical. Affected is an unknown function of the file /upload-photo.php. The manipulation of the argument file_img leads to unrestricted upload.

How urgent is CVE-2025-6843?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

← Back to latest CVEs