How severe is CVE-2018-18619?

CVE-2018-18619 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-2018-18619 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18619?

CVE-2018-18619 affects Advanced Comment System Project Advanced Comment System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18619?

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-2018-18619 published?

CVE-2018-18619 was published on 2018-11-29 and last updated on 2026-06-17.

CVE-2018-18619

CVE-2018-18619 is a critical-severity vulnerability in Advanced Comment System Project Advanced Comment System 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: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Advanced Comment System Project Advanced Comment System
Published: 2018-11-29
Last modified: 2026-06-17

Description

internal/advanced_comment_system/admin.php in Advanced Comment System 1.0 is prone to an SQL injection vulnerability because it fails to sufficiently sanitize user-supplied data before using it in an SQL query, allowing remote attackers to execute the sqli attack via a URL in the "page" parameter. NOTE: The product is discontinued.

Frequently asked questions

What is CVE-2018-18619?: internal/advanced_comment_system/admin.php in Advanced Comment System 1.0 is prone to an SQL injection vulnerability because it fails to sufficiently sanitize user-supplied data before using it in an SQL query, allowing remote attackers to execute the sqli attack via a URL in the "page" parameter. NOTE: The product is discontinued.
How severe is CVE-2018-18619?: CVE-2018-18619 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-2018-18619 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18619?: CVE-2018-18619 affects Advanced Comment System Project Advanced Comment System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18619?: 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-2018-18619 published?: CVE-2018-18619 was published on 2018-11-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:advanced_comment_system_project:advanced_comment_system:1.0:*:*:*:*:*:*:*

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