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Vulnerability details: VCID-hcak-ajk5-nka1
Vulnerability ID VCID-hcak-ajk5-nka1
Aliases CVE-2017-16558
GHSA-w38g-hj45-mjjp
Summary SQL injection vulnerability Both the search filter in the back end and the "listing" module in the front end are vulnerable to SQL injection. To exploit the vulnerability in the back end, a back end user has to be logged in, whereas the front end vulnerability can be exploited by anyone.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00288 https://api.first.org/data/v1/epss?cve=CVE-2017-16558
cvssv3.1 9.8 https://contao.org/de/changelog/versions/4.4.html
generic_textual CRITICAL https://contao.org/de/changelog/versions/4.4.html
cvssv3.1 9.8 https://contao.org/en/news/contao-4_4_8.html
generic_textual CRITICAL https://contao.org/en/news/contao-4_4_8.html
cvssv3.1 9.8 https://github.com/contao/contao/blob/4.4.57/CHANGELOG.md#448-2017-11-15
generic_textual CRITICAL https://github.com/contao/contao/blob/4.4.57/CHANGELOG.md#448-2017-11-15
cvssv3.1 9.8 https://github.com/contao/contao/commit/501cb3cd34d61089b94e7ed78da53977bc71fc3e
generic_textual CRITICAL https://github.com/contao/contao/commit/501cb3cd34d61089b94e7ed78da53977bc71fc3e
cvssv3.1 9.8 https://github.com/contao/contao/commit/6b4a2711edf166c85cfd7a53fed6aea56d4f0544
generic_textual CRITICAL https://github.com/contao/contao/commit/6b4a2711edf166c85cfd7a53fed6aea56d4f0544
cvssv3.1 9.8 https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2017-16558.yaml
generic_textual CRITICAL https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2017-16558.yaml
cvssv3.1 9.8 https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2017-16558.yaml
generic_textual CRITICAL https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2017-16558.yaml
cvssv3.1 9.8 https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/listing-bundle/CVE-2017-16558.yaml
generic_textual CRITICAL https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/listing-bundle/CVE-2017-16558.yaml
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2017-16558
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2017-16558
Reference id Reference type URL
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-16558
https://api.first.org/data/v1/epss?cve=CVE-2017-16558
https://contao.org/de/changelog/versions/4.4.html
https://contao.org/en/news/contao-4_4_8.html
https://github.com/contao/contao/blob/4.4.57/CHANGELOG.md#448-2017-11-15
https://github.com/contao/contao/commit/501cb3cd34d61089b94e7ed78da53977bc71fc3e
https://github.com/contao/contao/commit/6b4a2711edf166c85cfd7a53fed6aea56d4f0544
https://github.com/contao/core-bundle/commit/92598f97b513e0b831dbfd68d471c44c79c425a4
https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2017-16558.yaml
https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2017-16558.yaml
https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/listing-bundle/CVE-2017-16558.yaml
https://nvd.nist.gov/vuln/detail/CVE-2017-16558
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://contao.org/de/changelog/versions/4.4.html
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://contao.org/en/news/contao-4_4_8.html
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/contao/contao/blob/4.4.57/CHANGELOG.md#448-2017-11-15
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/contao/contao/commit/501cb3cd34d61089b94e7ed78da53977bc71fc3e
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/contao/contao/commit/6b4a2711edf166c85cfd7a53fed6aea56d4f0544
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/contao/CVE-2017-16558.yaml
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core-bundle/CVE-2017-16558.yaml
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/listing-bundle/CVE-2017-16558.yaml
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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-16558
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 0.5246
EPSS Score 0.00288
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:55:03.111708+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/contao/core-bundle/CVE-2017-16558.yml 38.6.0