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Vulnerability details: VCID-h2k4-cqfq-sbhw
Vulnerability ID VCID-h2k4-cqfq-sbhw
Aliases CVE-2018-25047
GHSA-hwq7-5vv9-c6cf
Summary In Smarty before 3.1.47 and 4.x before 4.2.1, libs/plugins/function.mailto.php allows XSS. A web page that uses smarty_function_mailto, and that could be parameterized using GET or POST input parameters, could allow injection of JavaScript code by a user.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00629 https://api.first.org/data/v1/epss?cve=CVE-2018-25047
epss 0.00629 https://api.first.org/data/v1/epss?cve=CVE-2018-25047
epss 0.00629 https://api.first.org/data/v1/epss?cve=CVE-2018-25047
cvssv3.1 5.4 https://bugs.gentoo.org/870100
generic_textual MODERATE https://bugs.gentoo.org/870100
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-hwq7-5vv9-c6cf
cvssv3.1 5.4 https://github.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2018-25047.yaml
generic_textual MODERATE https://github.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2018-25047.yaml
cvssv3.1 5.4 https://github.com/smarty-php/smarty
generic_textual MODERATE https://github.com/smarty-php/smarty
cvssv3.1 5.4 https://github.com/smarty-php/smarty/commit/55ea25d1f50f0406fb1ccedd212c527977793fc9
generic_textual MODERATE https://github.com/smarty-php/smarty/commit/55ea25d1f50f0406fb1ccedd212c527977793fc9
cvssv3.1 5.4 https://github.com/smarty-php/smarty/issues/454
generic_textual MODERATE https://github.com/smarty-php/smarty/issues/454
cvssv3.1 5.4 https://github.com/smarty-php/smarty/releases/tag/v3.1.47
generic_textual MODERATE https://github.com/smarty-php/smarty/releases/tag/v3.1.47
cvssv3.1 5.4 https://github.com/smarty-php/smarty/releases/tag/v4.2.1
generic_textual MODERATE https://github.com/smarty-php/smarty/releases/tag/v4.2.1
cvssv3.1 5.4 https://lists.debian.org/debian-lts-announce/2023/01/msg00002.html
generic_textual MODERATE https://lists.debian.org/debian-lts-announce/2023/01/msg00002.html
cvssv3.1 5.4 https://lists.debian.org/debian-lts-announce/2024/11/msg00013.html
generic_textual MODERATE https://lists.debian.org/debian-lts-announce/2024/11/msg00013.html
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2018-25047
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2018-25047
cvssv3.1 5.4 https://security.gentoo.org/glsa/202209-09
generic_textual MODERATE https://security.gentoo.org/glsa/202209-09
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-25047
https://bugs.gentoo.org/870100
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-25047
https://github.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2018-25047.yaml
https://github.com/smarty-php/smarty
https://github.com/smarty-php/smarty/commit/55ea25d1f50f0406fb1ccedd212c527977793fc9
https://github.com/smarty-php/smarty/issues/454
https://github.com/smarty-php/smarty/releases/tag/v3.1.47
https://github.com/smarty-php/smarty/releases/tag/v4.2.1
https://lists.debian.org/debian-lts-announce/2023/01/msg00002.html
https://lists.debian.org/debian-lts-announce/2024/11/msg00013.html
https://nvd.nist.gov/vuln/detail/CVE-2018-25047
https://security.gentoo.org/glsa/202209-09
1019896 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1019896
1019897 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1019897
GHSA-hwq7-5vv9-c6cf https://github.com/advisories/GHSA-hwq7-5vv9-c6cf
USN-7158-1 https://usn.ubuntu.com/7158-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://bugs.gentoo.org/870100
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

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unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2018-25047.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

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Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/smarty-php/smarty
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

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required

unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/smarty-php/smarty/commit/55ea25d1f50f0406fb1ccedd212c527977793fc9
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

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required

unchanged

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Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/smarty-php/smarty/issues/454
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

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/smarty-php/smarty/releases/tag/v3.1.47
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

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/smarty-php/smarty/releases/tag/v4.2.1
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

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none

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none

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Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://lists.debian.org/debian-lts-announce/2023/01/msg00002.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

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none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://lists.debian.org/debian-lts-announce/2024/11/msg00013.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:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-25047
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:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://security.gentoo.org/glsa/202209-09
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 0.70651
EPSS Score 0.00629
Published At June 4, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T17:11:03.127219+00:00 Debian Importer Import https://security-tracker.debian.org/tracker/data/json 38.6.0