CVE-2020-18693: Cross Site Scripting (XSS) in MineWebCMS v1.7.0 allows remote attackers to execute arbitrary code by injecting

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MEDIUM 5.4DOWNGRADE

CVE-2020-18693 is a medium-severity flaw (CVSS 5.4) affecting minewebcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting (XSS) in MineWebCMS v1.7.0 allows remote attackers to execute arbitrary code by injecting malicious code into the 'Title' field of the component '/admin/news'.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-08-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mineweb

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

Am I affected?

Timeline

2021-08-06 19:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

mineweb minewebcms DOWNGRADE

Affected: 1.7.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.7.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.7.0 (Debian / Ubuntu)

apt-cache madison minewebcms sudo apt install minewebcms=<VERSION_BEFORE_1.7.0> sudo apt-mark hold minewebcms

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

dnf --showduplicates list minewebcms sudo dnf downgrade minewebcms-<VERSION_BEFORE_1.7.0> sudo dnf versionlock add minewebcms

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-2020-18693?

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

Is CVE-2020-18693 being exploited?

CVE-2020-18693 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-2020-18693 affect?

CVE-2020-18693 affects minewebcms. Severity is medium (CVSS 5.4). Cross Site Scripting (XSS) in MineWebCMS v1.7.0 allows remote attackers to execute arbitrary code by injecting malicious code into the 'Title' field of the component '/admin/news'.

How urgent is CVE-2020-18693?

Priority 40/100. Public exploit reference

Related CVEs

CVE-2022-1163 MEDIUM 4.8 UPGRADE Cross-site Scripting (XSS) - Stored in GitHub repository mineweb/minewebcms prior to next.

References

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