CVE-2011-4558 json
Tiki 8.2 and earlier allows remote administrators to execute arbitrary PHP code via crafted input to the regexres and regex parameters.
published 2020-01-27 6 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4484
- cvss
- 7.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.3%
- EPSS 4.3% chance of exploitation in 30 days, percentile 91%
- public exploits
- 1
- Exploit-DB
Summary
Tiki 8.2 and earlier allows remote administrators to execute arbitrary PHP code via crafted input to the regexres and regex parameters.
Timeline
- First public exploit (EDB-18265)
- Published
Exploit prediction
4.27% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-18265 Tiki Wiki CMS Groupware 8.2 - 'snarf_ajax.php' Remote PHP Code Injection webapps, 2011-12-22
- packetstormsecurity.com https://packetstormsecurity.com/files/108111/Tiki-Wiki-CMS-Groupware-8.2-Code-Injection.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.0 | AV:N/AC:M/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
References
-
packetstormsecurity.com
/files/108111/Tiki-Wiki-CMS-Groupware-8.2-Code-Injection.html
exploit, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2011-4558
- NVD CVE-2011-4558
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.