Vulnerability · Published Nov 2, 2026 · Assigned by VulDB

CVE-2026-120349dayrui XunRuiCMS Mobile Site Directory index.php str_replace code injection

High 7.3

In plain English

A high-severity code injection in XunRuiCMS from dayrui. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.3%top 76.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security flaw has been discovered in dayrui XunRuiCMS up to 4.7.4. Affected by this issue is the function str_replace of the file /var/www/html/zzmob/index.php of the component Mobile Site Directory. The manipulation of the argument dirname results in code injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
dayrui	XunRuiCMS	4.7.04.7.14.7.24.7.34.7.4

Weakness: CWE-94, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

References

VDB-429673 | dayrui XunRuiCMS Mobile Site Directory index.php str_replace code injection vdb-entry, technical-description
VDB-429673 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-120349 | CVE Analysis and Report third-party-advisory
Submit #1016299 | dayrui XunRuiCMS 4.7.2 Code Injection third-party-advisory
https://github.com/tiranbge/disclosure-xunruicms-4.7.2/blob/master/reports/2.md exploit