How severe is CVE-2019-16720?

CVE-2019-16720 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-16720 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16720?

CVE-2019-16720 affects Zzzcms Zzzphp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16720?

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-2019-16720 published?

CVE-2019-16720 was published on 2019-09-23 and last updated on 2026-06-17.

CVE-2019-16720

CVE-2019-16720 is a high-severity vulnerability in Zzzcms Zzzphp with a CVSS 3.x base score of 7.5. 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-434.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Zzzcms Zzzphp
Published: 2019-09-23
Last modified: 2026-06-17

Description

ZZZCMS zzzphp v1.7.2 does not properly restrict file upload in plugins/ueditor/php/controller.php?upfolder=news&action=catchimage, as demonstrated by uploading a .htaccess or .php5 file.

Frequently asked questions

What is CVE-2019-16720?: ZZZCMS zzzphp v1.7.2 does not properly restrict file upload in plugins/ueditor/php/controller.php?upfolder=news&action=catchimage, as demonstrated by uploading a .htaccess or .php5 file.
How severe is CVE-2019-16720?: CVE-2019-16720 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-16720 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16720?: CVE-2019-16720 affects Zzzcms Zzzphp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16720?: 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-2019-16720 published?: CVE-2019-16720 was published on 2019-09-23 and last updated on 2026-06-17.

References

http://www.iwantacve.cn/index.php/archives/333/

Affected products (1)

cpe:2.3:a:zzzcms:zzzphp:1.7.2:*:*:*:*:*:*:*

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