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CVE-2018-25047

21
FAUCET Score

CVE-2018-25047 describes a Cross-Site Scripting (XSS) vulnerability in Smarty versions prior to 3.1.47 and 4.x prior to 4.2.1, specifically within the libs/plugins/function.mailto.php component. This flaw allows an attacker to inject JavaScript code into a web page that utilizes smarty_function_mailto and accepts GET or POST input parameters. Rated as Medium severity (CVSS 5.4), it requires user interaction and low privileges, leading to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.1.47CPE matchmatch criteria
cpe:2.3:a:smarty:smarty:*:*:*:*:*:*:*:*
>= 4.0.0, < 4.2.1CPE matchmatch criteria
cpe:2.3:a:smarty:smarty:*:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.86%
Probability of exploitation in next 30 days
EPSS Percentile
54.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0086 is in the 89th percentile among its peer group of 15,239 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: smarty/smartyFixed in: 3.1.47
composerpatch availablevia ghsa
Product: smarty/smartyFixed in: 4.2.1
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-hwq7-5vv9-c6cfmedium

Smarty Cross-site Scripting vulnerability in pages that use smarty_function_mailto

Sep 16, 2022

References

lists.debian.org / debian-lts-announce/2024/11/msg00013.html
bugs.gentoo.org / 870100
Issue TrackingThird Party Advisory
github.com / smarty-php/smarty/issues/454
ExploitIssue TrackingPatchThird Party Advisory
github.com / smarty-php/smarty/releases/tag/v3.1.47
Release Notes
github.com / smarty-php/smarty/releases/tag/v4.2.1
Release Notes
lists.debian.org / debian-lts-announce/2023/01/msg00002.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202209-09
Third Party Advisory