How severe is CVE-2018-19556?

CVE-2018-19556 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2018-19556 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19556?

CVE-2018-19556 affects Zblogcn Z-blogphp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19556?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-19556 published?

CVE-2018-19556 was published on 2018-11-26 and last updated on 2026-06-17.

CVE-2018-19556

CVE-2018-19556 is a medium-severity vulnerability in Zblogcn Z-blogphp with a CVSS 3.x base score of 4.3. 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: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Zblogcn Z-blogphp
Published: 2018-11-26
Last modified: 2026-06-17

Description

zb_system/admin/index.php?act=UploadMng in Z-BlogPHP 1.5 mishandles file preview, leading to content spoofing. NOTE: the software maintainer disputes that this is a vulnerability

Frequently asked questions

What is CVE-2018-19556?: zb_system/admin/index.php?act=UploadMng in Z-BlogPHP 1.5 mishandles file preview, leading to content spoofing. NOTE: the software maintainer disputes that this is a vulnerability
How severe is CVE-2018-19556?: CVE-2018-19556 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2018-19556 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19556?: CVE-2018-19556 affects Zblogcn Z-blogphp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19556?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-19556 published?: CVE-2018-19556 was published on 2018-11-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zblogcn:z-blogphp:1.5:*:*:*:*:*:*:*

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