CVE-2007-5423

NONECVSS 0.09.0
EchelonGraph scoreLOW confidence

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.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss
Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 77%
CISA-KEV: Not listedEPSS: 77%CVSS: Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
EG Score
9.0(low)
EPSS
99.5%
KEV
Not listed

Published

October 12, 2007

Last Modified

April 23, 2026

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.

  1. 2026-07-06 16:22 UTCEPSS rescore
  2. 2026-07-04 06:27 UTCEPSS rescore
  3. 2026-07-04 06:27 UTCEPSS rescore
  4. 2026-07-01 15:02 UTCEPSS rescore
  5. 2026-07-01 15:02 UTCEPSS rescore
  6. 2026-06-30 23:19 UTCEPSS rescore
  7. 2026-06-30 23:19 UTCEPSS rescore
  8. 2026-06-29 14:02 UTCEPSS rescore
  9. 2026-06-29 14:02 UTCEPSS rescore
  10. 2026-06-28 04:52 UTCEPSS rescore
  11. 2026-06-27 03:04 UTCEPSS rescore
  12. 2026-06-25 13:46 UTCEPSS rescore
  13. 2026-06-25 13:46 UTCEPSS rescore
  14. 2026-06-23 21:29 UTCEPSS rescore
  15. 2026-06-23 21:29 UTCEPSS rescore
  16. 2026-06-22 14:22 UTCEPSS rescore
  17. 2026-06-21 14:53 UTCEPSS rescore
  18. 2026-06-21 01:56 UTCEPSS rescore
  19. 2026-06-21 01:56 UTCEPSS rescore
  20. 2026-06-17 17:49 UTCEPSS rescore
  21. 2026-06-17 17:49 UTCEPSS rescore
  22. 2026-06-16 17:49 UTCEPSS rescore
  23. 2026-06-16 17:49 UTCEPSS rescore
  24. 2026-06-16 17:49 UTCEPSS rescore
  25. 2026-06-15 17:44 UTCEPSS rescore
Show 31 more
  1. 2026-06-12 23:08 UTCEPSS rescore
  2. 2026-06-10 22:14 UTCEPSS rescore
  3. 2026-06-10 13:17 UTCEPSS rescore
  4. 2026-06-07 15:21 UTCEPSS rescore
  5. 2026-06-05 22:44 UTCEPSS rescore
  6. 2026-06-05 22:44 UTCEPSS rescore
  7. 2026-06-05 06:07 UTCEPSS rescore
  8. 2026-06-04 13:09 UTCEPSS rescore
  9. 2026-06-04 13:09 UTCEPSS rescore
  10. 2026-06-04 13:09 UTCEPSS rescore
  11. 2026-06-01 13:49 UTCEPSS rescore
  12. 2026-06-01 13:49 UTCEPSS rescore
  13. 2026-06-01 13:49 UTCEPSS rescore
  14. 2026-05-31 22:28 UTCEPSS rescore
  15. 2026-05-31 22:28 UTCEPSS rescore
  16. 2026-05-31 00:33 UTCEG score recompute
  17. 2026-05-31 00:33 UTCGHSA enrichment
  18. 2026-05-29 13:40 UTCEPSS rescore
  19. 2026-05-28 13:42 UTCEPSS rescore
  20. 2026-05-28 13:42 UTCEPSS rescore
  21. 2026-05-28 13:42 UTCEPSS rescore
  22. 2026-05-26 13:41 UTCEPSS rescore
  23. 2026-05-26 13:41 UTCEPSS rescore
  24. 2026-05-26 07:16 UTCEPSS rescore
  25. 2026-05-26 07:16 UTCEPSS rescore
  26. 2026-05-24 16:42 UTCEPSS rescore
  27. 2026-05-21 22:38 UTCEPSS rescore
  28. 2026-05-20 22:36 UTCEPSS rescore
  29. 2026-05-20 22:36 UTCEPSS rescore
  30. 2026-05-18 21:29 UTCEPSS rescore
  31. 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✓ verified
    First seen Sep 20, 2010

    TikiWiki tiki-graph_formula - PHP Remote Code Execution (Metasploit)

    Open source ↗
  • Exploit-DBEDB-4509✓ verified
    First seen Oct 10, 2007

    TikiWiki 1.9.8 - Remote PHP Injection

    Open source ↗
  • Metasploitexploit/unix/webapp/tikiwiki_graph_formula_exec✓ verified
    First seen Oct 10, 2007

    TikiWiki tiki-graph_formula Remote PHP Code Execution

    Open source ↗

Frequently asked(4)

What is CVE-2007-5423?
CVE-2007-5423 is a none vulnerability published on October 12, 2007. tiki-graphformula.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 createfunction.
When was CVE-2007-5423 disclosed?
CVE-2007-5423 was first published in the National Vulnerability Database on October 12, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-5423 actively exploited?
CVE-2007-5423 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-5423?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-5423, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2007-5423

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