CVE-2018-5233

MEDIUMNVD 6.16.1—Elevated

6.1

Cross-site scripting (XSS) vulnerability in system/src/Grav/Common/Twig/Twig.php in Grav CMS before 1.3.0 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin/tools.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 95.4%
KEV: Not listed

Published

March 19, 2018

Last Modified

November 21, 2024

References (4)

cve@mitrehttp://www.openwall.com/lists/oss-security/2018/03/15/1
cve@mitrehttps://sysdream.com/news/lab/2018-03-15-cve-2018-5233-grav-cms-admin-plugin-reflected-cross-site-scripting-xss-vulnerability/
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2018/03/15/1
af854a3a-2127-422b-91ae-364da2661108https://sysdream.com/news/lab/2018-03-15-cve-2018-5233-grav-cms-admin-plugin-reflected-cross-site-scripting-xss-vulnerability/

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
getgrav/grav	0.8.0 ... 1.3.0-rc.5 (106 versions)	1.3.0	—

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 / 14× 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
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 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 13:43 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 10:21 UTCEG score recompute
2026-05-27 13:38 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 23:05 UTCOSV refresh

Publicly available exploits

(1 reference)

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

Nucleihttp/cves/2018/CVE-2018-5233.yaml
First seen Jan 1, 2018
Grav CMS <1.3.0 - Cross-Site Scripting
Open source ↗

Frequently asked(5)

What is CVE-2018-5233?

CVE-2018-5233 is a medium vulnerability published on March 19, 2018. Cross-site scripting (XSS) vulnerability in system/src/Grav/Common/Twig/Twig.php in Grav CMS before 1.3.0 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin/tools.

When was CVE-2018-5233 disclosed?

CVE-2018-5233 was first published in the National Vulnerability Database on March 19, 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-2018-5233 actively exploited?

CVE-2018-5233 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-5233?

CVE-2018-5233 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2018-5233?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-5233, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-5233

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CVE-2018-5233

📅 Published

🔄 Last Modified

🔗 References (4)