CVE-2018-18546
CVE-2018-18546 is a critical-severity vulnerability in Thinkphp with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Thinkphp
- Published:
- Last modified:
Description
ThinkPHP 3.2.4 has SQL Injection via the order parameter because the Library/Think/Db/Driver.class.php parseOrder function mishandles the key variable.
Frequently asked questions
- What is CVE-2018-18546?
- ThinkPHP 3.2.4 has SQL Injection via the order parameter because the Library/Think/Db/Driver.class.php parseOrder function mishandles the key variable.
- How severe is CVE-2018-18546?
- CVE-2018-18546 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-18546 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-18546?
- CVE-2018-18546 affects Thinkphp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-18546?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-18546 published?
- CVE-2018-18546 was published on 2018-10-21 and last updated on 2026-06-17.
References
- https://98587329.github.io/2018/10/09/thinkphp%E6%B3%A8%E5%85%A5%E5%88%86%E6%9E%90/
- https://github.com/top-think/thinkphp/commit/9748cb80d2f24c89218f358ca2f5ab88ee33396f
Affected products (1)
- cpe:2.3:a:thinkphp:thinkphp:3.2.4:*:*:*:*:*:*:*
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