CVE-2020-23243: Cross Site Scripting (XSS) vulnerability in NavigateCMS NavigateCMS 2.9 via the name="wrong_path_redirect" fea

Routine

MEDIUM 4.8DOWNGRADE

CVE-2020-23243 is a medium-severity flaw (CVSS 4.8) affecting navigatecms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting (XSS) vulnerability in NavigateCMS NavigateCMS 2.9 via the name="wrong_path_redirect" feature.

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	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-07-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: naviwebs

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

Am I affected?

Timeline

2021-07-26 21:15 UTCPublished CVE record published
2026-06-17 03:04 UTCUpdated Record last modified

naviwebs navigatecms DOWNGRADE

Affected: 2.9

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.9

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.9 (Debian / Ubuntu)

apt-cache madison navigatecms sudo apt install navigatecms=<VERSION_BEFORE_2.9> sudo apt-mark hold navigatecms

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

dnf --showduplicates list navigatecms sudo dnf downgrade navigatecms-<VERSION_BEFORE_2.9> sudo dnf versionlock add navigatecms

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-2020-23243?

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

Is CVE-2020-23243 being exploited?

CVE-2020-23243 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-2020-23243 affect?

CVE-2020-23243 affects navigatecms. Severity is medium (CVSS 4.8). Cross Site Scripting (XSS) vulnerability in NavigateCMS NavigateCMS 2.9 via the name="wrong_path_redirect" feature.

How urgent is CVE-2020-23243?

Priority 33/100. Public exploit reference

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References

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