How severe is CVE-2018-25270?

CVE-2018-25270 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-2018-25270 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-25270?

CVE-2018-25270 primarily affects Thinkphp. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-25270?

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.

Does CVE-2018-25270 have an EU (EUVD) identifier?

Yes. CVE-2018-25270 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21786.

When was CVE-2018-25270 published?

CVE-2018-25270 was published on 2026-04-22 and last updated on 2026-06-17.

CVE-2018-25270

CVE-2018-25270 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-639.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2018-21786
Weakness: CWE-639
Affected product: Thinkphp
Published: 2026-04-22
Last modified: 2026-06-17

Description

ThinkPHP 5.0.23 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by invoking functions through the routing parameter. Attackers can craft requests to the index.php endpoint with malicious function parameters to execute system commands with application privileges.

Frequently asked questions

What is CVE-2018-25270?: ThinkPHP 5.0.23 contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by invoking functions through the routing parameter. Attackers can craft requests to the index.php endpoint with malicious function parameters to execute system commands with application privileges.
How severe is CVE-2018-25270?: CVE-2018-25270 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-2018-25270 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-25270?: CVE-2018-25270 primarily affects Thinkphp. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-25270?: 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.
Does CVE-2018-25270 have an EU (EUVD) identifier?: Yes. CVE-2018-25270 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-21786.
When was CVE-2018-25270 published?: CVE-2018-25270 was published on 2026-04-22 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:thinkphp:thinkphp:*:*:*:*:*:*:*:*
cpe:2.3:a:thinkphp:thinkphp:5.1.31:*:*:*:*:*:*:*

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