CVE-2018-18752: Webiness Inventory 2.3 suffers from an Arbitrary File upload vulnerability via PHP code in the protected/libra

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2018-18752 is a critical-severity flaw (CVSS 9.8) affecting webiness inventory. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Webiness Inventory 2.3 suffers from an Arbitrary File upload vulnerability via PHP code in the protected/library/ajax/WsSaveToModel.php logo parameter.

Why this priority

Critical 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	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-434
Published	2018-10-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: webiness project

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

Am I affected?

Timeline

2018-10-29 12:29 UTCPublished CVE record published
2026-06-17 01:47 UTCUpdated Record last modified

webiness project webiness inventory DOWNGRADE

Affected: 2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3

1. Check installed version

apt-cache policy webiness-inventory || rpm -q webiness-inventory || webiness-inventory --version

2. No fixed release: DOWNGRADE to a release before 2.3 (Debian / Ubuntu)

apt-cache madison webiness-inventory sudo apt install webiness-inventory=<VERSION_BEFORE_2.3> sudo apt-mark hold webiness-inventory

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

dnf --showduplicates list webiness-inventory sudo dnf downgrade webiness-inventory-<VERSION_BEFORE_2.3> sudo dnf versionlock add webiness-inventory

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-2018-18752?

webiness inventory: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-18752 being exploited?

CVE-2018-18752 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-2018-18752 affect?

CVE-2018-18752 affects webiness inventory. Severity is critical (CVSS 9.8). Webiness Inventory 2.3 suffers from an Arbitrary File upload vulnerability via PHP code in the protected/library/ajax/WsSaveToModel.php logo parameter.

How urgent is CVE-2018-18752?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2019-8404 MEDIUM 6.5 DOWNGRADE An issue was discovered in Webiness Inventory 2.3

References

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