CVE-2018-18570: Planon before Live Build 41 has XSS.

Q: How do I fix CVE-2018-18570?

planon: upgrade to 41. Exact commands for each OS are on this page.

Q: Is CVE-2018-18570 being exploited?

CVE-2018-18570 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2018-18570 affect?

CVE-2018-18570 affects planon. Severity is medium (CVSS 6.1). Planon before Live Build 41 has XSS.

Q: How urgent is CVE-2018-18570?

Priority 47/100. Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2018-18570 is a medium-severity flaw (CVSS 6.1) affecting planon. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Planon before Live Build 41 has XSS.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.5% (top 16%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-07-29
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: planonsoftware

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

Am I affected?

Timeline

2019-07-29 23:15 UTCPublished CVE record published
2026-06-17 01:47 UTCUpdated Record last modified

planonsoftware planon UPGRADE

Affected: < 41

Fixed in: 41

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 41 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade planon

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade planon

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Planon <Live Build 41 - Cross-Site Scripting

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-2018-18570?

planon: upgrade to 41. Exact commands for each OS are on this page.

Is CVE-2018-18570 being exploited?

CVE-2018-18570 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-2018-18570 affect?

CVE-2018-18570 affects planon. Severity is medium (CVSS 6.1). Planon before Live Build 41 has XSS.

How urgent is CVE-2018-18570?

Priority 47/100. Public exploit reference

References

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