CVE-2018-8815
CVE-2018-8815 is a medium-severity vulnerability in Alkacon Opencms with a CVSS 3.x base score of 4.6. 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 4.6)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Alkacon Opencms
- Published:
- Last modified:
Description
Cross-site scripting (XSS) vulnerability in the gallery function in Alkacon OpenCMS 10.5.3 allows remote attackers to inject arbitrary web script or HTML via a malicious SVG image.
Frequently asked questions
- What is CVE-2018-8815?
- Cross-site scripting (XSS) vulnerability in the gallery function in Alkacon OpenCMS 10.5.3 allows remote attackers to inject arbitrary web script or HTML via a malicious SVG image.
- How severe is CVE-2018-8815?
- CVE-2018-8815 has a CVSS 3.x base score of 4.6, 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 none.
- Is CVE-2018-8815 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-8815?
- CVE-2018-8815 affects Alkacon Opencms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-8815?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-8815 published?
- CVE-2018-8815 was published on 2018-03-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:alkacon:opencms:10.5.3:*:*:*:*:*:*:*
More vulnerabilities in Alkacon Opencms
- CVE-2018-8811 — High (CVSS 8.8): Cross-site request forgery (CSRF) vulnerability in system/workplace/admin/accounts/user_role.jsp in OpenCMS 10.5.3…
- CVE-2019-11819 — High (CVSS 7.8): Alkacon OpenCMS v10.5.4 and before is affected by CSV (aka Excel Macro) Injection in the module New User…
- CVE-2005-4475 — Medium (CVSS 6.8): Cross-site scripting (XSS) vulnerability in OpenCms 6.0.3 and earlier allows remote attackers to inject arbitrary web…
- CVE-2024-42699 — Medium (CVSS 6.5): Cross Site Scripting vulnerability in Create/Modify article function in Alkacon OpenCMS 17.0 allows remote attacker to…
- CVE-2021-3312 — Medium (CVSS 6.5): An XML external entity (XXE) vulnerability in Alkacon OpenCms 11.0, 11.0.1 and 11.0.2 allows remote authenticated users…
- CVE-2006-3935 — Medium (CVSS 6.5): system/workplace/views/admin/admin-main.jsp in Alkacon OpenCms before 6.2.2 does not restrict access to administrator…
All CVEs affecting Alkacon Opencms →
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 →