CVE-2025-34113Public exploitNetwork attack vector

Authenticated PHP code execution via calendar viewmode

Published Jul 15, 2025 · Updated May 15, 2026

Command injection in Tiki Wiki CMS Groupware 14.1 and earlier allows remote authenticated users to execute PHP code through the calendar. The tiki-calendar.php endpoint incorporates the viewmode GET value into executable PHP syntax without neutralizing quotes and statement separators. The calendar module must be enabled and the account must have calendar access; injected code runs with the web-server user's privileges.

CVSS severity8.7
High
EPSS probability3.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in Tiki Wiki CMS Groupware 14.1 and earlier allows remote authenticated users to execute PHP code through the calendar. The tiki-calendar.php endpoint incorporates the viewmode GET value into executable PHP syntax without neutralizing quotes and statement separators. The calendar module must be enabled and the account must have calendar access; injected code runs with the web-server user's privileges.

The record

CVE
CVE-2025-34113
Published
Jul 15, 2025
Updated
May 15, 2026
Vendor
Tiki Software Community Association
Product
Tiki Wiki CMS Groupware
Classifications
CWE-78, CWE-20, CWE-306, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 15, 2025CVE publishedPublication date reported by the CVE source.
  2. May 15, 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=0 <=12.4 LTS
  2. Affected versionversion=0 <=14.1
  3. Affected versionversion=0 <=6.14
  4. Affected versionversion=0 <=9.10 LTS

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tiki Software Community Association · Tiki Wiki CMS Groupwareversion=0 <=12.4 LTS; version=0 <=14.1; version=0 <=6.14; version=0 <=9.10 LTS

Published CVSS scores

8.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-20Improper Input Validation
CWE-306Missing Authentication for Critical Function
T1059Command and Scripting Interpreter

Public exploit references

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

Technologies

Your stack

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Your stack

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