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CVE-2018-18546

30
FAUCET Score

CVE-2018-18546 is a critical SQL Injection vulnerability affecting ThinkPHP 3.2.4, specifically within the parseOrder function in Library/Think/Db/Driver.class.php due to improper handling of the 'key' variable. With a CVSS score of 9.8, this flaw allows unauthenticated remote attackers to execute arbitrary SQL commands, leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code in common repositories like Metasploit or ExploitDB, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.4CPE matchmatch criteria
cpe:2.3:a:thinkphp:thinkphp:3.2.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.66%
Probability of exploitation in next 30 days
EPSS Percentile
74.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0166 is in the 62nd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-j7g8-3qqg-8cvmcritical

ThinkPHP SQLi Vulnerability

May 14, 2022

References

98587329.github.io / 2018/10/09/thinkphp%E6%B3%A8%E5%85%A5%E5%88%86%E6%9E%90
ExploitThird Party Advisory
github.com / top-think/thinkphp/commit/9748cb80d2f24c89218f358ca2f5ab88ee33396f
PatchVendor Advisory