Contacts
Vendor:
First CVE: Jul 5, 2018 · Active for 8 years
7
Total CVEs
More Total CVEs than 83% of tracked products
1.4
Avg CVEs / Year
Higher CVE frequency than 56% of tracked products
5.0
Avg CVSS
Higher Avg CVSS than 7% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Contacts over time
Volume of CVEsAvg CVSS Base Score
First CVE
Jul 5, 2018
8 years ago
Most Recent CVE
Dec 5, 2025
231 days ago
CVE Severity & Scoring
Contacts7 CVEs
100%
All CVEs352,294 CVEs
45%
40%
11%
Medium
Attack Vector
Local0 (0.0%)
Network7 (100.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low7 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None2 (28.6%)
Unknown0 (0.0%)
Required5 (71.4%)
Privileges Required
Low6 (85.7%)
High1 (14.3%)
None0 (0.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (7 CVEs).
7 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2025-66554MEDIUM Contacts app for Nextcloud easily syncs contacts from various devices with your Nextcloud and allows editing. Prior to 5.5.4, 6.0.6, and 7.2.5, a malicious user was able to modify | Dec 5, 2025 | 5.4 | 21 | NO | NO |
CVE-2021-39221MEDIUM Nextcloud is an open-source, self-hosted productivity platform. The Nextcloud Contacts application prior to version 4.0.3 was vulnerable to a stored Cross-Site Scripting (XSS) vuln | Oct 25, 2021 | 5.4 | 20 | NO | NO |
CVE-2020-8281MEDIUM A missing file type check in Nextcloud Contacts 3.3.0 allows a malicious user to upload malicious SVG files to perform cross-site scripting (XSS) attacks. | Jan 6, 2021 | 5.4 | 19 | NO | NO |
CVE-2020-8280MEDIUM A missing file type check in Nextcloud Contacts 3.4.0 allows a malicious user to upload SVG files as PNG files to perform cross-site scripting (XSS) attacks. | Jan 6, 2021 | 5.4 | 19 | NO | NO |
CVE-2018-3764MEDIUM In Nextcloud Contacts before 2.1.2, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring user-interaction. The missing sanitizati | Jul 5, 2018 | 4.8 | 18 | NO | NO |
CVE-2020-8181MEDIUM A missing file type check in Nextcloud Contacts 3.2.0 allowed a malicious user to upload any file as avatars. | Jul 10, 2020 | 4.3 | 17 | NO | NO |
CVE-2023-33182MEDIUM 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) | May 30, 2023 | 4.3 | 14 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (7 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (7 CVEs).
Media Mentions
Signals from CVEs in this product scope (7 CVEs).
Top CNAs Publishing CVEs For Contacts
Top CWEs
Versions
No cataloged versions.