How severe is CVE-2019-16656?

CVE-2019-16656 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-2019-16656 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16656?

CVE-2019-16656 affects Joyplus Project Joyplus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16656?

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-2019-16656 published?

CVE-2019-16656 was published on 2019-09-21 and last updated on 2026-06-17.

CVE-2019-16656

CVE-2019-16656 is a critical-severity vulnerability in Joyplus Project Joyplus 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.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Joyplus Project Joyplus
Published: 2019-09-21
Last modified: 2026-06-17

Description

joyplus-cms 1.6.0 allows remote attackers to execute arbitrary PHP code via /install by placing the code in the name of an object in the database.

Frequently asked questions

What is CVE-2019-16656?: joyplus-cms 1.6.0 allows remote attackers to execute arbitrary PHP code via /install by placing the code in the name of an object in the database.
How severe is CVE-2019-16656?: CVE-2019-16656 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-2019-16656 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16656?: CVE-2019-16656 affects Joyplus Project Joyplus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16656?: 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-2019-16656 published?: CVE-2019-16656 was published on 2019-09-21 and last updated on 2026-06-17.

References

https://github.com/joyplus/joyplus-cms/issues/442

Affected products (1)

cpe:2.3:a:joyplus_project:joyplus:1.6.0:*:*:*:*:*:*:*

More vulnerabilities in Joyplus Project Joyplus

CVE-2019-16660 — High (CVSS 8.8): joyplus-cms 1.6.0 has admin_ajax.php?action=savexml&tab=vodplay CSRF.
CVE-2019-16655 — High (CVSS 7.5): joyplus-cms 1.6.0 allows reinstallation if the install/ URI remains available.

All CVEs affecting Joyplus Project Joyplus →