CVE-2026-29014Known exploitationPublic exploitNetwork attack vector

Unauthenticated code execution via poisoned WeChat cache

Published Apr 1, 2026 · Updated Apr 1, 2026

PHP code injection in MetInfo CMS 7.9 through 8.1 allows remote attackers to execute arbitrary code through crafted XML requests. The wxAdminLogin method passes EventKey path traversal to cache::get, then cache::put embeds unsanitized FromUserName data in a PHP cache file. Exploitation requires the WeChat cache directory on non-Windows servers and runs attacker-supplied PHP under the web server account.

CVSS severity9.3
Critical
EPSS probability39.49%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

PHP code injection in MetInfo CMS 7.9 through 8.1 allows remote attackers to execute arbitrary code through crafted XML requests. The wxAdminLogin method passes EventKey path traversal to cache::get, then cache::put embeds unsanitized FromUserName data in a PHP cache file. Exploitation requires the WeChat cache directory on non-Windows servers and runs attacker-supplied PHP under the web server account.

The record

CVE
CVE-2026-29014
Published
Apr 1, 2026
Updated
Apr 1, 2026
Vendor
Changsha Mituo Information Technology Co., Ltd.
Product
MetInfo CMS
Classifications
CWE-94, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 1, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 1, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.9.0 <=8.1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Changsha Mituo Information Technology Co., Ltd. · MetInfo CMSversion=7.9.0 <=8.1.0

Published CVSS scores

9.8VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Reported exploitation

Technologies

Your stack

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Your stack

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