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CVE-2019-15521

29
FAUCET Score

CVE-2019-15521 describes a critical PHP object injection vulnerability in Spoon Library through 2014-02-06, impacting products like Fork CMS before version 1.4.1. This flaw allows an unauthenticated attacker to execute arbitrary code by manipulating a cookie containing a serialized object, leading to complete compromise of confidentiality, integrity, and availability. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2014-02-06CPE matchmatch criteria
cpe:2.3:a:spoon-library:spoon_library:*:*:*:*:*:*:*:*
< 1.4.1CPE matchmatch criteria
cpe:2.3:a:fork-cms:fork_cms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.48%
Probability of exploitation in next 30 days
EPSS Percentile
82.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0248 is in the 73rd percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: spoon/libraryFixed in: 1.4.1
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-2p2x-mw56-jc98critical

Spoon Library as used in Fork CMS allows PHP object injection

May 24, 2022

References

github.com / forkcms/library/pull/69
PatchThird Party Advisory
github.com / forkcms/library/releases/tag/1.4.1
Release NotesThird Party Advisory
github.com / spoon/library/blob/bda89be80b7e1ffdc93d3180d33a56927430298b/spoon/cookie/cookie.php
PatchThird Party Advisory