CVE-2007-5423
HighPublic exploittiki-graph_formula.php in TikiWiki 1.9.8 allows remote attackers to execute arbitrary code via PHP sequences in the f array parameter, which are processed by create_function.
Published Oct 12, 2007 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2007-5423 is a high-severity vulnerability (CVSS 7.5 v2) affecting Tikiwiki Cms\/groupware.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 77% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
77%
Higher than 99.5% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
tiki-graph_formula.php in TikiWiki 1.9.8 allows remote attackers to execute arbitrary code via PHP sequences in the f array parameter, which are processed by create_function.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Tikiwiki Cms\/groupwareTiki | 1.9.8 | n/a |
Timeline
Publicly disclosed
Oct 12, 2007
Last updated
Apr 22, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- exploithttp://securityvulns.ru/Sdocument162.html
- exploitMSF tikiwiki_graph_formula_exec.rb
- exploitExploitDB-16911
- exploit26006
- otherhttp://bugs.gentoo.org/show_bug.cgi?id=195503
FAQ
Common Questions.
tiki-graph_formula.php in TikiWiki 1.9.8 allows remote attackers to execute arbitrary code via PHP sequences in the f array parameter, which are processed by create_function.
Affected: Tikiwiki Cms\/groupware versions 1.9.8. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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