Cross-site scripting vulnerability in Simple Custom CSS and JS prior to version 3.4 allows remote attackers to inject arbitrary web script…

Published 9 y ago 2017-08-02 · modified 4 mo ago 2026-06-17 · JSON

CVSS

6.1

v3.1 · CNA

CISA KEV

not known exploited

EPSS

1.5%

percentile 74%

Public exploits

none known

Cross-site scripting vulnerability in Simple Custom CSS and JS prior to version 3.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

CISA SSVC assessment

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 18 mo ago 2025-04-23

Exploit prediction (EPSS)

1.47% probability of exploitation in the next 30 days, higher than 74% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CISA ADP	3.1	6.1	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`
CNA	3.1	6.1	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`
NVD	3.0	6.1	`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`
NVD	2.0	4.3	`AV:N/AC:M/Au:N/C:N/I:P/A:N`

Affected products

SilkyPress Simple Custom CSS and JS

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

wpvulndb.com /vulnerabilities/8879 · x_refsource_MISC, x_transferred
jvn.jp /en/jp/JVN31459091/index.html · third-party-advisory, x_refsource_JVN, x_transferred
wordpress.org /plugins/custom-css-js/#developers · x_refsource_MISC, x_transferred
plugins.trac.wordpress.org /changeset/1695440/#file6 · x_refsource_MISC, x_transferred

Sources

CVE List: CVE-2017-2285
NVD: CVE-2017-2285

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary