CVE-2018-8915
CVE-2018-8915 is a medium-severity vulnerability in Synology Calendar with a CVSS 3.x base score of 6.5. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Synology Calendar
- Published:
- Last modified:
Description
Cross-site scripting (XSS) vulnerability in Notification Center in Synology Calendar before 2.1.1-0502 allows remote authenticated users to inject arbitrary web script or HTML via title parameter.
Frequently asked questions
- What is CVE-2018-8915?
- Cross-site scripting (XSS) vulnerability in Notification Center in Synology Calendar before 2.1.1-0502 allows remote authenticated users to inject arbitrary web script or HTML via title parameter.
- How severe is CVE-2018-8915?
- CVE-2018-8915 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2018-8915 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-8915?
- CVE-2018-8915 affects Synology Calendar. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-8915?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-8915 published?
- CVE-2018-8915 was published on 2018-05-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:synology:calendar:*:*:*:*:*:*:*:*
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