CVE-2025-1177: A vulnerability was found in dayrui XunRuiCMS 4.6.3

This month

MEDIUM 6.3DOWNGRADE

CVE-2025-1177 is a medium-severity flaw (CVSS 6.3) affecting xunruicms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in dayrui XunRuiCMS 4.6.3. It has been classified as critical. Affected is the function import_add of the file dayrui/Fcms/Control/Admin/Linkage.php. The manipulation leads to deserialization. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-20, CWE-502
Published	2025-02-11
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: xunruicms

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-11 06:15 UTCPublished CVE record published
2026-06-17 08:38 UTCUpdated Record last modified

xunruicms xunruicms DOWNGRADE

Affected: 4.6.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.6.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.6.3 (Debian / Ubuntu)

apt-cache madison xunruicms sudo apt install xunruicms=<VERSION_BEFORE_4.6.3> sudo apt-mark hold xunruicms

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list xunruicms sudo dnf downgrade xunruicms-<VERSION_BEFORE_4.6.3> sudo dnf versionlock add xunruicms

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-1177?

xunruicms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-1177 being exploited?

CVE-2025-1177 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-2025-1177 affect?

CVE-2025-1177 affects xunruicms. Severity is medium (CVSS 6.3). A vulnerability was found in dayrui XunRuiCMS 4.6.3. It has been classified as critical. Affected is the function import_add of the file dayrui/Fcms/Control/Admin/Linkage.php. The manipulation leads to deserialization. It is possible to lau

How urgent is CVE-2025-1177?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-15144 MEDIUM 4.3 UPGRADE A weakness has been identified in dayrui XunRuiCMS up to 4.7.1
CVE-2025-14006 LOW 3.5 UPGRADE A security vulnerability has been detected in dayrui XunRuiCMS up to 4.7.1
CVE-2025-14007 LOW 2.0 UPGRADE A vulnerability was detected in dayrui XunRuiCMS up to 4.7.1
CVE-2025-60445 MEDIUM 6.1 DOWNGRADE A stored Cross-Site Scripting (XSS) vulnerability has been discovered in XunRuiCMS version 4.7.1
CVE-2025-2131 LOW 2.4 UPGRADE A vulnerability was found in dayrui XunRuiCMS up to 4.6.3

References

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