How severe is CVE-2018-15888?

CVE-2018-15888 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-2018-15888 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15888?

CVE-2018-15888 affects Aspcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15888?

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-2018-15888 published?

CVE-2018-15888 was published on 2018-08-26 and last updated on 2026-06-17.

CVE-2018-15888

CVE-2018-15888 is a critical-severity vulnerability in Aspcms 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Aspcms
Published: 2018-08-26
Last modified: 2026-06-17

Description

An issue was discovered in ASPCMS 2.5.6. When registering ordinary users in the addUser function of the /member/reg.asp page, they can be registered with the super administrators GroupID directly.

Frequently asked questions

What is CVE-2018-15888?: An issue was discovered in ASPCMS 2.5.6. When registering ordinary users in the addUser function of the /member/reg.asp page, they can be registered with the super administrators GroupID directly.
How severe is CVE-2018-15888?: CVE-2018-15888 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-2018-15888 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15888?: CVE-2018-15888 affects Aspcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15888?: 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-2018-15888 published?: CVE-2018-15888 was published on 2018-08-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:aspcms:aspcms:2.5.6:*:*:*:*:*:*:*

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