CVE-2018-19620

MEDIUMNVD 4.3

4.3

ShowDoc 2.4.1 allows remote attackers to edit other users' notes by navigating with a modified page_id.

CVSS v3: 4.3
EG Score: —
EPSS: 32.2%
KEV: Not listed

Published

November 28, 2018

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://github.com/CCCCCrash/POCs/tree/master/Web/showdoc/IncorrectAccessControl#0x02-modify
cve@mitrehttps://github.com/star7th/showdoc/commit/bcdb5e3519285bdf81e618b3c9b90d22bc49e13c
cve@mitrehttps://github.com/star7th/showdoc/issues/397
af854a3a-2127-422b-91ae-364da2661108https://github.com/CCCCCrash/POCs/tree/master/Web/showdoc/IncorrectAccessControl#0x02-modify
af854a3a-2127-422b-91ae-364da2661108https://github.com/star7th/showdoc/commit/bcdb5e3519285bdf81e618b3c9b90d22bc49e13c
af854a3a-2127-422b-91ae-364da2661108https://github.com/star7th/showdoc/issues/397

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
showdoc/showdoc	v1.0.0 ... v2.4.1 (75 versions)	2.4.2	—

Weakness Classification(1)

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

CWE-425

Data Freshness Timeline

(refreshed 6× in last 7d / 6× 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.

2026-05-27 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 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-19620?

CVE-2018-19620 is a medium vulnerability published on November 28, 2018. ShowDoc 2.4.1 allows remote attackers to edit other users' notes by navigating with a modified page_id.

When was CVE-2018-19620 disclosed?

CVE-2018-19620 was first published in the National Vulnerability Database on November 28, 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-2018-19620 actively exploited?

CVE-2018-19620 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-19620?

CVE-2018-19620 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2018-19620?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-19620, 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-2018-19620

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