How severe is CVE-2018-8924?

CVE-2018-8924 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-2018-8924 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-2018-8924?

CVE-2018-8924 affects Synology Office. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-8924?

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

When was CVE-2018-8924 published?

CVE-2018-8924 was published on 2018-06-05 and last updated on 2026-06-17.

CVE-2018-8924

CVE-2018-8924 is a medium-severity vulnerability in Synology Office 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 Office
Published: 2018-06-05
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in Title Tootip in Synology Office before 3.0.3-2143 allows remote authenticated users to inject arbitrary web script or HTML via the malicious file name.

Frequently asked questions

What is CVE-2018-8924?: Cross-site scripting (XSS) vulnerability in Title Tootip in Synology Office before 3.0.3-2143 allows remote authenticated users to inject arbitrary web script or HTML via the malicious file name.
How severe is CVE-2018-8924?: CVE-2018-8924 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-2018-8924 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-2018-8924?: CVE-2018-8924 affects Synology Office. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-8924?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-8924 published?: CVE-2018-8924 was published on 2018-06-05 and last updated on 2026-06-17.

References

https://www.synology.com/zh-tw/support/security/Synology_SA_18_12

Affected products (1)

cpe:2.3:a:synology:office:*:*:*:*:*:*:*:*

More vulnerabilities in Synology Office

CVE-2017-11150 — High (CVSS 7.8): Command injection vulnerability in Document.php in Synology Office 2.2.0-1502 and 2.2.1-1506 allows remote…
CVE-2019-11828 — Medium (CVSS 5.5): Cross-site scripting (XSS) vulnerability in Chart in Synology Office before 3.1.4-2771 allows remote authenticated…

All CVEs affecting Synology Office →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →