How severe is CVE-2018-18842?

CVE-2018-18842 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-18842 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18842?

CVE-2018-18842 affects Zblogcn Z-blogphp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18842?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-18842 published?

CVE-2018-18842 was published on 2018-10-30 and last updated on 2026-06-17.

CVE-2018-18842

CVE-2018-18842 is a high-severity vulnerability in Zblogcn Z-blogphp with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Zblogcn Z-blogphp
Published: 2018-10-30
Last modified: 2026-06-17

Description

CSRF exists in zb_users/plugin/AppCentre/theme.js.php in Z-BlogPHP 1.5.2.1935 (Zero), which allows remote attackers to execute arbitrary PHP code.

Frequently asked questions

What is CVE-2018-18842?: CSRF exists in zb_users/plugin/AppCentre/theme.js.php in Z-BlogPHP 1.5.2.1935 (Zero), which allows remote attackers to execute arbitrary PHP code.
How severe is CVE-2018-18842?: CVE-2018-18842 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-18842 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18842?: CVE-2018-18842 affects Zblogcn Z-blogphp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18842?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-18842 published?: CVE-2018-18842 was published on 2018-10-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zblogcn:z-blogphp:1.5.2.1935\(zero\):*:*:*:*:*:*:*

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