CVE-2026-3742: A vulnerability was detected in YiFang CMS 2.0.5

Routine

LOW 3.5DOWNGRADE

CVE-2026-3742 is a low-severity flaw (CVSS 3.5) affecting yifang. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was detected in YiFang CMS 2.0.5. The impacted element is the function update of the file app/db/admin/D_singlePage.php. Performing a manipulation of the argument Title results in cross site scripting. It is possible to initiate the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 90%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2026-03-08
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: yifangcms

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

Am I affected?

Timeline

2026-03-08 15:15 UTCPublished CVE record published
2026-06-17 10:44 UTCUpdated Record last modified

yifangcms yifang DOWNGRADE

Affected: 2.0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.5 (Debian / Ubuntu)

apt-cache madison yifang sudo apt install yifang=<VERSION_BEFORE_2.0.5> sudo apt-mark hold yifang

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

dnf --showduplicates list yifang sudo dnf downgrade yifang-<VERSION_BEFORE_2.0.5> sudo dnf versionlock add yifang

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-2026-3742?

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

Is CVE-2026-3742 being exploited?

CVE-2026-3742 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-2026-3742 affect?

CVE-2026-3742 affects yifang. Severity is low (CVSS 3.5). A vulnerability was detected in YiFang CMS 2.0.5. The impacted element is the function update of the file app/db/admin/D_singlePage.php. Performing a manipulation of the argument Title results in cross site scripting. It is possible to init

How urgent is CVE-2026-3742?

Priority 20/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-11136 MEDIUM 4.7 UPGRADE A flaw has been found in YiFang CMS up to 2.0.2
CVE-2026-3743 LOW 3.5 DOWNGRADE A flaw has been found in YiFang CMS 2.0.5
CVE-2026-3741 LOW 3.5 DOWNGRADE A security vulnerability has been detected in YiFang CMS 2.0.5
CVE-2026-2934 LOW 2.4 UPGRADE A security vulnerability has been detected in YiFang CMS up to 2.0.5
CVE-2026-2933 LOW 2.4 UPGRADE A weakness has been identified in YiFang CMS up to 2.0.5

References

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