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CVE-2007-5423

77
FAUCET Score

CVE-2007-5423 is a critical remote code execution vulnerability affecting TikiWiki 1.9.8, specifically within the tiki-graph_formula.php component. Attackers can exploit this by injecting PHP sequences into the 'f' array parameter, which are then processed by create_function, leading to arbitrary code execution. With a CVSS score of 7.5 and an EPSS score indicating high exploitability, this vulnerability poses a significant risk. Exploit code, including a Metasploit module, is publicly available, though there is no evidence of active exploitation in the wild or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.9.8CPE matchmatch criteria
cpe:2.3:a:tiki:tikiwiki_cms\/groupware:1.9.8:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
76.66%
Probability of exploitation in next 30 days
EPSS Percentile
99.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
Metasploit: TikiWiki tiki-graph_formula Remote PHP Code Execution · Oct 10, 2007
ExploitDB: EDB-16911 · Sep 20, 2010
This CVE's current EPSS score of 0.7666 is in the 99th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.gentoo.org / show_bug.cgi
osvdb.org / 40478
secunia.com / advisories/27190
secunia.com / advisories/27344
securityreason.com / securityalert/3216
securityvulns.ru / Sdocument162.html
Exploit
exchange.xforce.ibmcloud.com / vulnerabilities/37076
sourceforge.net / forum/forum.php
sourceforge.net / project/shownotes.php
exploit-db.com / exploits/4509
gentoo.org / security/en/glsa/glsa-200710-21.xml
securityfocus.com / archive/1/482006/100/0/threaded
securityfocus.com / archive/1/482128/100/0/threaded
securityfocus.com / bid/26006
Exploit
vupen.com / english/advisories/2007/3492