How severe is CVE-2018-10429?

CVE-2018-10429 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-2018-10429 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10429?

CVE-2018-10429 affects Cosmocms Cosmo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-10429?

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-2018-10429 published?

CVE-2018-10429 was published on 2018-04-26 and last updated on 2026-06-17.

CVE-2018-10429

CVE-2018-10429 is a critical-severity vulnerability in Cosmocms Cosmo 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Cosmocms Cosmo
Published: 2018-04-26
Last modified: 2026-06-17

Description

Cosmo 1.0.0Beta6 allows attackers to execute arbitrary PHP code via the Database Prefix field on the Database Info screen of install.php.

Frequently asked questions

What is CVE-2018-10429?: Cosmo 1.0.0Beta6 allows attackers to execute arbitrary PHP code via the Database Prefix field on the Database Info screen of install.php.
How severe is CVE-2018-10429?: CVE-2018-10429 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-2018-10429 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10429?: CVE-2018-10429 affects Cosmocms Cosmo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-10429?: 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-2018-10429 published?: CVE-2018-10429 was published on 2018-04-26 and last updated on 2026-06-17.

References

https://github.com/CosmoCMS/Cosmo/issues/405

Affected products (1)

cpe:2.3:a:cosmocms:cosmo:1.0.0:beta6:*:*:*:*:*:*

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