CVE-2023-33182

Name: CVE-2023-33182
Creator: NVD / NIST
Published: 2023-05-30T05:15:11.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2023-33182 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Contacts app for Nextcloud easily syncs contacts from various devices with your Nextcloud and allows editing. The unsanitized SVG is converted to a JavaScript blob (in memory data) that the Avatar can't render. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

Contacts app for Nextcloud easily syncs contacts from various devices with your Nextcloud and allows editing. The unsanitized SVG is converted to a JavaScript blob (in memory data) that the Avatar can't render. Due to this constellation the missing sanitization does not seem to be exploitable. It is recommended that the Contacts app is upgraded to 5.0.3 or 4.2.4

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.85%

53.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Nextcloud	Contacts	>= 4.1.0, < 4.2.4
Nextcloud	Contacts	>= 5.0.0, < 5.0.3

References

https://github.com/nextcloud/contacts/pull/3199Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hxr6-cx85-gcjxVendor Advisory
https://hackerone.com/reports/1789602Permissions Required
https://github.com/nextcloud/contacts/pull/3199Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-hxr6-cx85-gcjxVendor Advisory
https://hackerone.com/reports/1789602Permissions Required

Timeline

Published: May 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-33182?

How severe is CVE-2023-33182?

CVE-2023-33182 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2023-33182?

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-2023-33182?

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

Scan your code now

Source: NVD / NIST