CVE-2019-15521

CRITICALNVD 9.89.8—

9.8

Spoon Library through 2014-02-06, as used in Fork CMS before 1.4.1 and other products, allows PHP object injection via a cookie containing an object.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 71.8%
KEV: Not listed

Published

August 26, 2019

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://github.com/forkcms/library/pull/69
cve@mitrehttps://github.com/forkcms/library/releases/tag/1.4.1
cve@mitrehttps://github.com/spoon/library/blob/bda89be80b7e1ffdc93d3180d33a56927430298b/spoon/cookie/cookie.php#L117
af854a3a-2127-422b-91ae-364da2661108https://github.com/forkcms/library/pull/69
af854a3a-2127-422b-91ae-364da2661108https://github.com/forkcms/library/releases/tag/1.4.1
af854a3a-2127-422b-91ae-364da2661108https://github.com/spoon/library/blob/bda89be80b7e1ffdc93d3180d33a56927430298b/spoon/cookie/cookie.php#L117

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
spoon/library	1.3.1 ... 1.4.0 (19 versions)	1.4.1	—

Weakness Classification(1)

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

CWE-502Deserialization of Untrusted Data

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 15:18 UTCEG score recompute
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-2019-15521?

CVE-2019-15521 is a critical vulnerability published on August 26, 2019. Spoon Library through 2014-02-06, as used in Fork CMS before 1.4.1 and other products, allows PHP object injection via a cookie containing an object.

When was CVE-2019-15521 disclosed?

CVE-2019-15521 was first published in the National Vulnerability Database on August 26, 2019, 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-2019-15521 actively exploited?

CVE-2019-15521 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-15521?

CVE-2019-15521 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-15521?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-15521, 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-2019-15521

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