CVE-2013-0203

Name: CVE-2013-0203
Creator: NVD / NIST
Published: 2019-11-22T19:15:11.373+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.72%

Last modified Jun 16, 2026

CVE-2013-0203 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.72%

49.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Owncloud	Owncloud	<= 4.0.10
Owncloud	Owncloud Server	>= 4.5.0, <= 4.5.5

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/81478Third Party Advisory, VDB Entry
https://owncloud.org/security/advisories/multiple-xss-vulnerabilities-3/Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/81478Third Party Advisory, VDB Entry
https://owncloud.org/security/advisories/multiple-xss-vulnerabilities-3/Vendor Advisory

Timeline

Published: Nov 22, 2019
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-0203?

How severe is CVE-2013-0203?

CVE-2013-0203 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2013-0203?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2013-0203?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST