CVE-2018-20418

MEDIUMNVD 4.84.8—Trending — 3 sources updated this weekElevated

4.8

index.php?p=admin/actions/entries/save-entry in Craft CMS 3.0.25 allows XSS by saving a new title from the console tab.

CVSS v3: 4.8
EG Score: 4.8(medium)
EPSS: 64.9%
KEV: Not listed

Published

December 24, 2018

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://github.com/craftcms/cms/blob/master/CHANGELOG-v3.md
cve@mitrehttps://github.com/rdincel1/Craft-CMS-3.0.25---Cross-Site-Scripting
cve@mitrehttps://www.exploit-db.com/exploits/46054/
cve@mitrehttps://www.raifberkaydincel.com/craft-cms-3-0-25-cross-site-scripting-vulnerability.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/craftcms/cms/blob/master/CHANGELOG-v3.md
af854a3a-2127-422b-91ae-364da2661108https://github.com/rdincel1/Craft-CMS-3.0.25---Cross-Site-Scripting
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/46054/
af854a3a-2127-422b-91ae-364da2661108https://www.raifberkaydincel.com/craft-cms-3-0-25-cross-site-scripting-vulnerability.html

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
composer	craftcms/cms	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
craftcms/cms	1.0.26.1 ... 3.0.9 (438 versions)	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 10× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 00:00 UTCEG score recompute
2026-05-28 00:00 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:41 UTCOSV refresh
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-46054
First seen Dec 27, 2018
Craft CMS 3.0.25 - Cross-Site Scripting
Open source ↗

Frequently asked(5)

What is CVE-2018-20418?

CVE-2018-20418 is a medium vulnerability published on December 24, 2018. index.php?p=admin/actions/entries/save-entry in Craft CMS 3.0.25 allows XSS by saving a new title from the console tab.

When was CVE-2018-20418 disclosed?

CVE-2018-20418 was first published in the National Vulnerability Database on December 24, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-20418 actively exploited?

CVE-2018-20418 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-20418?

CVE-2018-20418 has a CVSS v3 base score of 4.8 (NVD).

How do I remediate CVE-2018-20418?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-20418, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2018-20418

Published

Last Modified

References (8)

Patch Availability(1)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-20418?

Same product

Same CWE

CVE-2018-20418

📅 Published

🔄 Last Modified

🔗 References (8)

Patch Availability(1)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-20418?

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References (8)

Frequently asked(5)

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