Tiki 8.2 and earlier allows remote administrators to execute arbitrary PHP code via…
Priority LOW 39CWE-74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Tiki 8.2 and earlier allows remote administrators to execute arbitrary PHP code via crafted input to the regexres and regex parameters.
Why it matters now
EPSS 0.04271 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4558
- 2026-10-03 Alias added: GHSA-65h6-f878-gg7m
References
More Tiki Wiki Tiki vulnerabilities
- TI-2023-09004 Tiki before 24.1, when the Spreadsheets feature is enabled, allows lib/sheet/grid.php PHP… CVSS 3.1HIGH 8.8
- TI-2023-09005 Tiki before 24.2 allows lib/importer/tikiimporter_blog_wordpress.php PHP Object Injection… CVSS 3.1HIGH 7.2
- TI-2020-12522 tiki-login.php in Tiki before 21.2 sets the admin password to a blank value after 50 invalid login attempts. CVSS 3.1CRITICAL 9.8
- TI-2024-31297 A Reflected Cross-Site Scripting (XSS) vulnerability exists in the POST request data… CVSS 3.1MEDIUM 5.4
- TI-2024-31296 A Cross-Site Scripting (XSS) vulnerability exists in the page parameter of… CVSS 3.1MEDIUM 5.4
- TI-2024-34430 Tiki through 27.0 allows users who have certain permissions to insert a "Modules" (aka… CVSS 3.1MEDIUM 4.8
Sources
- CVE-2011-4558 · CVE Program
- CVE-2011-4558 · NVD
- FIRST EPSS
- GHSA-65h6-f878-gg7m · GitHub Advisory Database · CC BY 4.0
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