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.
CVE-2007-5423
Score elevated to 9.0 because EPSS predicts 88% probability of exploitation within the next 30 days (top 0.5% of all CVEs). Confidence: see factors.
- High exploitation likelihood — EPSS 77%
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 9.0(low)
- EPSS
- 99.5%
- KEV
- Not listed
Published
October 12, 2007
Last Modified
April 23, 2026
References (30)
- cve@mitrehttp://bugs.gentoo.org/show_bug.cgi?id=195503
- cve@mitrehttp://osvdb.org/40478
- cve@mitrehttp://secunia.com/advisories/27190
- cve@mitrehttp://secunia.com/advisories/27344
- cve@mitrehttp://securityreason.com/securityalert/3216
- cve@mitrehttp://securityvulns.ru/Sdocument162.html
- cve@mitrehttp://sourceforge.net/forum/forum.php?forum_id=744898
- cve@mitrehttp://sourceforge.net/project/shownotes.php?release_id=546283&group_id=64258
- cve@mitrehttp://www.gentoo.org/security/en/glsa/glsa-200710-21.xml
- cve@mitrehttp://www.securityfocus.com/archive/1/482006/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/archive/1/482128/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/bid/26006
- cve@mitrehttp://www.vupen.com/english/advisories/2007/3492
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/37076
- cve@mitrehttps://www.exploit-db.com/exploits/4509
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 1× in last 7d / 26× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:22 UTCEPSS rescore
- 2026-07-04 06:27 UTCEPSS rescore
- 2026-07-04 06:27 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-07-01 15:02 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-30 23:19 UTCEPSS rescore
- 2026-06-29 14:02 UTCEPSS rescore
- 2026-06-29 14:02 UTCEPSS rescore
- 2026-06-28 04:52 UTCEPSS rescore
- 2026-06-27 03:04 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-25 13:46 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-23 21:29 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-21 14:53 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-21 01:56 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-17 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-16 17:49 UTCEPSS rescore
- 2026-06-15 17:44 UTCEPSS rescore
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- 2026-06-12 23:08 UTCEPSS rescore
- 2026-06-10 22:14 UTCEPSS rescore
- 2026-06-10 13:17 UTCEPSS rescore
- 2026-06-07 15:21 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 06:07 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-04 13:09 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 00:33 UTCEG score recompute
- 2026-05-31 00:33 UTCGHSA enrichment
- 2026-05-29 13:40 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 13:41 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-26 07:16 UTCEPSS rescore
- 2026-05-24 16:42 UTCEPSS rescore
- 2026-05-21 22:38 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(3 references)Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-16911✓ verifiedFirst seen Sep 20, 2010
TikiWiki tiki-graph_formula - PHP Remote Code Execution (Metasploit)
Open source ↗ - Exploit-DBEDB-4509✓ verifiedFirst seen Oct 10, 2007
TikiWiki 1.9.8 - Remote PHP Injection
Open source ↗ - Metasploitexploit/unix/webapp/tikiwiki_graph_formula_exec✓ verifiedFirst seen Oct 10, 2007
TikiWiki tiki-graph_formula Remote PHP Code Execution
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-94
- CVE-2006-1359NVD 0.0EG 9.0EPSS 99%NONE
- CVE-2005-1921NVD 0.0EG 9.0EPSS 100%NONE
- CVE-2005-3302EG 7.3HIGH
- CVE-2005-1876EG 4.5MEDIUM
- CVE-2003-1599EG 0.0NONE
- CVE-2006-1318EG 0.0EPSS 96%NONE
- CVE-2006-1301EG 0.0EPSS 95%NONE
- CVE-2006-1308EG 0.0EPSS 95%NONE
- CVE-2006-1309EG 0.0EPSS 95%NONE
- CVE-2006-1304EG 0.0EPSS 95%NONE
Frequently asked(4)
What is CVE-2007-5423?
When was CVE-2007-5423 disclosed?
Is CVE-2007-5423 actively exploited?
How do I remediate CVE-2007-5423?
Dependency Blast Radius
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