CVE-2023-29998: A Cross-site scripting (XSS) vulnerability in the content editor in Gis3W g3w-suite 3.5 allows remote authenti

Routine

MEDIUM 5.4DOWNGRADE

CVE-2023-29998 is a medium-severity flaw (CVSS 5.4) affecting g3w-suite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Cross-site scripting (XSS) vulnerability in the content editor in Gis3W g3w-suite 3.5 allows remote authenticated users to inject arbitrary web script or HTML and gain privileges via the description parameter.

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	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-07-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: gis3w

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

Am I affected?

Timeline

2023-07-07 16:15 UTCPublished CVE record published
2026-06-17 05:51 UTCUpdated Record last modified

gis3w g3w-suite DOWNGRADE

Affected: 3.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.5

1. Check installed version

apt-cache policy g3w-suite || rpm -q g3w-suite || g3w-suite --version

2. No fixed release: DOWNGRADE to a release before 3.5 (Debian / Ubuntu)

apt-cache madison g3w-suite sudo apt install g3w-suite=<VERSION_BEFORE_3.5> sudo apt-mark hold g3w-suite

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

dnf --showduplicates list g3w-suite sudo dnf downgrade g3w-suite-<VERSION_BEFORE_3.5> sudo dnf versionlock add g3w-suite

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-2023-29998?

g3w-suite: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-29998 being exploited?

CVE-2023-29998 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-2023-29998 affect?

CVE-2023-29998 affects g3w-suite. Severity is medium (CVSS 5.4). A Cross-site scripting (XSS) vulnerability in the content editor in Gis3W g3w-suite 3.5 allows remote authenticated users to inject arbitrary web script or HTML and gain privileges via the description parameter.

How urgent is CVE-2023-29998?

Priority 36/100. Public exploit reference

References

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