Is CVE-2013-0203 actively exploited?

CVE-2013-0203 has no public evidence of in-the-wild exploitation as of 2025-03-31.

What is the CVSS score for CVE-2013-0203?

CVE-2013-0203 has a CVSS score of 5.4 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

How do I patch CVE-2013-0203?

Patch guidance is available from owncloud security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2013-0203.

CVE-2013-0203 - remediation guidance & executive summary

Q: Which products are affected by CVE-2013-0203?

2 products: owncloud owncloud, owncloud owncloud server.

Description

Multiple cross-site scripting (XSS) vulnerabilities in ownCloud 4.5.5, 4.0.10, and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) unspecified parameters to apps/calendar/ajax/event/new.php or (2) url parameter to apps/bookmarks/ajax/addBookmark.php.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector: network
Complexity: low
Privileges: low
User Action: required
Scope: changed
Confidentiality: low
Integrity: low
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: OWNCLOUD
Published: 11/22/2019
Last Modified: 3/31/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2013-0203

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary