CVE-2020-18414: Stored cross site scripting (XSS) vulnerability in Chaoji CMS v2.18 that allows attackers to execute arbitrary

Routine

MEDIUM 4.8DOWNGRADE

CVE-2020-18414 is a medium-severity flaw (CVSS 4.8) affecting chaoji cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stored cross site scripting (XSS) vulnerability in Chaoji CMS v2.18 that allows attackers to execute arbitrary code via /index.php?admin-master-webset.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-06-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: chaoji cms project

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

Am I affected?

Timeline

2023-06-27 21:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

chaoji cms project chaoji cms DOWNGRADE

Affected: 2.18

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.18

1. Check installed version

apt-cache policy chaoji-cms || rpm -q chaoji-cms || chaoji-cms --version

2. No fixed release: DOWNGRADE to a release before 2.18 (Debian / Ubuntu)

apt-cache madison chaoji-cms sudo apt install chaoji-cms=<VERSION_BEFORE_2.18> sudo apt-mark hold chaoji-cms

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

dnf --showduplicates list chaoji-cms sudo dnf downgrade chaoji-cms-<VERSION_BEFORE_2.18> sudo dnf versionlock add chaoji-cms

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-2020-18414?

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

Is CVE-2020-18414 being exploited?

CVE-2020-18414 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-2020-18414 affect?

CVE-2020-18414 affects chaoji cms. Severity is medium (CVSS 4.8). Stored cross site scripting (XSS) vulnerability in Chaoji CMS v2.18 that allows attackers to execute arbitrary code via /index.php?admin-master-webset.

How urgent is CVE-2020-18414?

Priority 31/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-18413 MEDIUM 4.8 DOWNGRADE Stored cross site scripting (XSS) vulnerability in /index.php?admin-master-navmenu-add of Chaoji CMS v2.18 tha
CVE-2020-18410 MEDIUM 4.8 DOWNGRADE A stored cross site scripting (XSS) vulnerability in /index.php?admin-master-article-edit of Chaoji CMS v2.18

References

← Back to latest CVEs