CVE-2025-13167: Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact

Q: How do I fix CVE-2025-13167?

contacts: upgrade to 1.0.10-20659. Exact commands for each OS are on this page.

Q: Is CVE-2025-13167 being exploited?

CVE-2025-13167 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-13167 affect?

CVE-2025-13167 affects contacts. Severity is medium (CVSS 5.4). Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact functionality in Synology Contacts before 1.0.10-20659 allows remote authenticated users to read or write specific files containin

Q: How urgent is CVE-2025-13167?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2025-13167 is a medium-severity flaw (CVSS 5.4) affecting contacts. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact functionality in Synology Contacts before 1.0.10-20659 allows remote authenticated users to read or write specific files containing non-sensitive information via unspecified vectors.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-05-27
Last modified	2026-10-07

Publisher (CNA): Synology Inc. · Vendor: synology

Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-27 09:16 UTCPublished CVE record published
2026-10-07 08:10 UTCUpdated Record last modified

synology contacts UPGRADE

Affected: < 1.0.10-20659

Fixed in: 1.0.10-20659

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy contacts || rpm -q contacts || contacts --version

2. UPGRADE to 1.0.10-20659 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade contacts

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade contacts

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-13167?

contacts: upgrade to 1.0.10-20659. Exact commands for each OS are on this page.

Is CVE-2025-13167 being exploited?

CVE-2025-13167 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-13167 affect?

CVE-2025-13167 affects contacts. Severity is medium (CVSS 5.4). Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact functionality in Synology Contacts before 1.0.10-20659 allows remote authenticated users to read or write specific files containin

How urgent is CVE-2025-13167?

Priority 23/100. No elevated risk signals yet.

Software pages

Synology vulnerabilities

References

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