How severe is CVE-2018-18242?

CVE-2018-18242 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-2018-18242 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18242?

CVE-2018-18242 affects Youke365 Youke 365. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18242?

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-2018-18242 published?

CVE-2018-18242 was published on 2018-10-11 and last updated on 2026-06-17.

CVE-2018-18242

CVE-2018-18242 is a critical-severity vulnerability in Youke365 Youke 365 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Youke365 Youke 365
Published: 2018-10-11
Last modified: 2026-06-17

Description

youke365 v1.1.5 has SQL injection via admin/login.html, as demonstrated by username=admin&pass=123456&code=9823&act=login&submit=%E7%99%BB+%E9%99%86.

Frequently asked questions

What is CVE-2018-18242?: youke365 v1.1.5 has SQL injection via admin/login.html, as demonstrated by username=admin&pass=123456&code=9823&act=login&submit=%E7%99%BB+%E9%99%86.
How severe is CVE-2018-18242?: CVE-2018-18242 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-2018-18242 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18242?: CVE-2018-18242 affects Youke365 Youke 365. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18242?: 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-2018-18242 published?: CVE-2018-18242 was published on 2018-10-11 and last updated on 2026-06-17.

References

https://github.com/yanchongchong/swallow/issues/4

Affected products (1)

cpe:2.3:a:youke365:youke_365:1.1.5:*:*:*:*:*:*:*

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