How severe is CVE-2018-11557?

CVE-2018-11557 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-11557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11557?

CVE-2018-11557 affects Yiban Easy Class Education Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11557?

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

When was CVE-2018-11557 published?

CVE-2018-11557 was published on 2018-05-30 and last updated on 2026-06-17.

CVE-2018-11557

CVE-2018-11557 is a medium-severity vulnerability in Yiban Easy Class Education Platform with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Yiban Easy Class Education Platform
Published: 2018-05-30
Last modified: 2026-06-17

Description

YIBAN Easy class education platform 2.0 has XSS via the articlelist.php k parameter.

Frequently asked questions

What is CVE-2018-11557?: YIBAN Easy class education platform 2.0 has XSS via the articlelist.php k parameter.
How severe is CVE-2018-11557?: CVE-2018-11557 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-11557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11557?: CVE-2018-11557 affects Yiban Easy Class Education Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11557?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-11557 published?: CVE-2018-11557 was published on 2018-05-30 and last updated on 2026-06-17.

References

https://github.com/1aker/yiban1/blob/master/README.md

Affected products (1)

cpe:2.3:a:yiban:easy_class_education_platform:2.0:*:*:*:*:*:*:*

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