CVE-2018-19329: GreenCMS v2.3.0603 allows remote authenticated administrators to delete arbitrary files by modifying a base64-

This month

MEDIUM 4.9DOWNGRADE

CVE-2018-19329 is a medium-severity flaw (CVSS 4.9) affecting greencms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GreenCMS v2.3.0603 allows remote authenticated administrators to delete arbitrary files by modifying a base64-encoded pathname in an m=admin&c=media&a=delfilehandle&id= call, related to the m=admin&c=media&a=restorefile delete button.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-22
Published	2018-11-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: greencms

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

Am I affected?

Timeline

2018-11-17 15:29 UTCPublished CVE record published
2026-06-17 01:49 UTCUpdated Record last modified

greencms greencms DOWNGRADE

Affected: 2.3.0603

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3.0603

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.3.0603 (Debian / Ubuntu)

apt-cache madison greencms sudo apt install greencms=<VERSION_BEFORE_2.3.0603> sudo apt-mark hold greencms

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

dnf --showduplicates list greencms sudo dnf downgrade greencms-<VERSION_BEFORE_2.3.0603> sudo dnf versionlock add greencms

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-2018-19329?

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

Is CVE-2018-19329 being exploited?

CVE-2018-19329 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-2018-19329 affect?

CVE-2018-19329 affects greencms. Severity is medium (CVSS 4.9). GreenCMS v2.3.0603 allows remote authenticated administrators to delete arbitrary files by modifying a base64-encoded pathname in an m=admin&c=media&a=delfilehandle&id= call, related to the m=admin&c=media&a=restorefile delete button.

How urgent is CVE-2018-19329?

Priority 42/100. Public exploit reference

Related CVEs

CVE-2025-14244 LOW 2.4 DOWNGRADE A flaw has been found in GreenCMS 2.3.0603
CVE-2025-15187 LOW 3.8 UPGRADE A vulnerability was found in GreenCMS up to 2.3
CVE-2025-9415 MEDIUM 6.3 UPGRADE A vulnerability was identified in GreenCMS up to 2.3.0603
CVE-2024-22570 MEDIUM 5.4 DOWNGRADE A stored cross-site scripting (XSS) vulnerability in /install.php?m=install&c=index&a=step3 of GreenCMS v2.3 a
CVE-2022-28918 HIGH 8.1 DOWNGRADE GreenCMS v2.3.0603 was discovered to contain an arbitrary file deletion vulnerability via /index.php?m=admin&c

References

← Back to latest CVEs