CVE-2019-25709: CF Image Hosting Script 1.6.5 allows unauthenticated attackers to download and decode the application database

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2019-25709 is a critical-severity flaw (CVSS 9.8) affecting image hosting script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CF Image Hosting Script 1.6.5 allows unauthenticated attackers to download and decode the application database by accessing the imgdb.db file in the upload/data directory. Attackers can extract delete IDs stored in plaintext from the deserialized database and use them to delete all pictures via the d parameter.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-552
Published	2026-04-12
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: codefuture

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

Am I affected?

Timeline

2026-04-12 13:16 UTCPublished CVE record published
2026-06-17 02:33 UTCUpdated Record last modified

codefuture image hosting script DOWNGRADE

Affected: 1.6.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.5

1. Check installed version

apt-cache policy image-hosting-script || rpm -q image-hosting-script || image-hosting-script --version

2. No fixed release: DOWNGRADE to a release before 1.6.5 (Debian / Ubuntu)

apt-cache madison image-hosting-script sudo apt install image-hosting-script=<VERSION_BEFORE_1.6.5> sudo apt-mark hold image-hosting-script

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

dnf --showduplicates list image-hosting-script sudo dnf downgrade image-hosting-script-<VERSION_BEFORE_1.6.5> sudo dnf versionlock add image-hosting-script

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.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · icecat · FIXED · 153.6.0-2.rh1.fc46 · FEDORA-2026-25e05b5320 · source

sudo dnf upgrade --advisory=FEDORA-2026-25e05b5320

Fedora ELN · edk2 · FIXED · 20260812-14.eln159 · FEDORA-2026-8850ef9153 · source

sudo dnf upgrade --advisory=FEDORA-2026-8850ef9153

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.exploit-db.com/exploits/46094

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-2019-25709?

image hosting script: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-25709 being exploited?

CVE-2019-25709 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-2019-25709 affect?

CVE-2019-25709 affects image hosting script. Severity is critical (CVSS 9.8). CF Image Hosting Script 1.6.5 allows unauthenticated attackers to download and decode the application database by accessing the imgdb.db file in the upload/data directory. Attackers can extract delete IDs stored in plaintext from the deseri

How urgent is CVE-2019-25709?

Priority 60/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

References

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