Search for vulnerabilities
Vulnerability details: VCID-xn3y-25ht-sba5
Vulnerability ID VCID-xn3y-25ht-sba5
Aliases CVE-2018-12040
Summary Reflected Cross-site scripting (XSS) vulnerability in the web profiler in SensioLabs Symfony 3.3.6 allows remote attackers to inject arbitrary web script or HTML via the "file" parameter, aka an _profiler/open?file= URI. NOTE: The vendor states "The XSS ... is in the web profiler, a tool that should never be deployed in production (so, we don't handle those issues as security issues).
Status Disputed
Exploitability 0.5
Weighted Severity 5.5
Risk 2.8
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
epss 0.00287 https://api.first.org/data/v1/epss?cve=CVE-2018-12040
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-12040
cvssv3 6.1 https://nvd.nist.gov/vuln/detail/CVE-2018-12040
Reference id Reference type URL
http://packetstormsecurity.com/files/148125/SensioLabs-Symfony-3.3.6-Cross-Site-Scripting.html
https://api.first.org/data/v1/epss?cve=CVE-2018-12040
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12040
http://www.securityfocus.com/archive/1/542071/100/0/threaded
cpe:2.3:a:sensiolabs:symfony:3.3.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:sensiolabs:symfony:3.3.6:*:*:*:*:*:*:*
CVE-2018-12040 https://nvd.nist.gov/vuln/detail/CVE-2018-12040
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12040
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-12040
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.51768
EPSS Score 0.00287
Published At June 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-01T17:50:37.165044+00:00 NVD CVE Status Improver Improve https://cveawg.mitre.org/api/cve/CVE-2018-12040 36.1.3
2025-07-01T13:54:30.962420+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 36.1.3