CVE-2012-0911

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 63%
CISA-KEV: Not listedEPSS: 63%CVSS: 9.8Exploit: NoneExposed: 0

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

TikiWiki CMS/Groupware before 6.7 LTS and before 8.4 allows remote attackers to execute arbitrary PHP code via a crafted serialized object in the (1) cookieName to lib/banners/bannerlib.php; (2) printpages or (3) printstructures parameter to (a) tiki-print_multi_pages.php or (b) tiki-print_pages.php; or (4) sendpages, (5) sendstructures, or (6) sendarticles parameter to tiki-send_objects.php, which is not properly handled when processed by the unserialize function.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
99.1%
KEV
Not listed

Published

July 12, 2012

Last Modified

April 29, 2026

Advisory Details (6)

Auto-updated May 10, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

IBM X-Force Exchange

https://exchange.xforce.ibmcloud.com/vulnerabilities/76758
generic
http://www.securityfocus.com/bid/54298
generic🟡 PoC Available

Tiki Wiki CMS Groupware 8.3 - 'Unserialize()' PHP Code Execution (Metasploit) - PHP webapps Exploit

http://www.exploit-db.com/exploits/19630
generic🟡 PoC Available

Tiki Wiki CMS Groupware 8.3 - 'Unserialize()' PHP Code Execution - PHP webapps Exploit

http://www.exploit-db.com/exploits/19573
generic

Tiki 6.8 LTS and 9.2 LTS are now Available

http://info.tiki.org/article191-Tiki-Releases-8-4
generic

Interactive Multilingual: Crowdsourcing translations with Tiki

http://info.tiki.org/article190-Tiki-Wiki-CMS-Groupware-Updates-Tiki-6-7-LTS

Data Freshness Timeline

(refreshed 5× in last 7d / 27× 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 16:23 UTCEPSS rescore
  2. 2026-07-02 14:01 UTCEPSS rescore
  3. 2026-07-01 15:02 UTCEPSS rescore
  4. 2026-06-30 23:19 UTCEPSS rescore
  5. 2026-06-30 23:19 UTCEPSS rescore
  6. 2026-06-28 04:53 UTCEPSS rescore
  7. 2026-06-28 04:53 UTCEPSS rescore
  8. 2026-06-27 03:05 UTCEPSS rescore
  9. 2026-06-27 03:05 UTCEPSS rescore
  10. 2026-06-25 13:46 UTCEPSS rescore
  11. 2026-06-25 13:46 UTCEPSS rescore
  12. 2026-06-23 21:30 UTCEPSS rescore
  13. 2026-06-22 14:22 UTCEPSS rescore
  14. 2026-06-22 14:22 UTCEPSS rescore
  15. 2026-06-21 01:56 UTCEPSS rescore
  16. 2026-06-21 01:56 UTCEPSS rescore
  17. 2026-06-18 17:49 UTCEPSS rescore
  18. 2026-06-18 17:49 UTCEPSS rescore
  19. 2026-06-17 17:49 UTCEPSS rescore
  20. 2026-06-17 17:49 UTCEPSS rescore
  21. 2026-06-15 17:44 UTCEPSS rescore
  22. 2026-06-13 22:57 UTCEPSS rescore
  23. 2026-06-12 23:08 UTCEPSS rescore
  24. 2026-06-11 13:56 UTCEPSS rescore
  25. 2026-06-10 22:14 UTCEPSS rescore
Show 47 more
  1. 2026-06-08 14:14 UTCEPSS rescore
  2. 2026-06-08 14:14 UTCEPSS rescore
  3. 2026-06-07 15:22 UTCEPSS rescore
  4. 2026-06-07 15:22 UTCEPSS rescore
  5. 2026-06-06 13:45 UTCEPSS rescore
  6. 2026-06-06 13:45 UTCEPSS rescore
  7. 2026-06-05 22:44 UTCEPSS rescore
  8. 2026-06-05 22:44 UTCEPSS rescore
  9. 2026-06-05 06:08 UTCEPSS rescore
  10. 2026-06-05 06:08 UTCEPSS rescore
  11. 2026-06-02 20:10 UTCEPSS rescore
  12. 2026-06-02 20:10 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 00:14 UTCEPSS rescore
  17. 2026-05-31 00:14 UTCEPSS rescore
  18. 2026-05-29 13:41 UTCEPSS rescore
  19. 2026-05-26 13:41 UTCEPSS rescore
  20. 2026-05-26 13:41 UTCEPSS rescore
  21. 2026-05-24 16:43 UTCEPSS rescore
  22. 2026-05-22 21:15 UTCEPSS rescore
  23. 2026-05-22 21:15 UTCEPSS rescore
  24. 2026-05-22 21:15 UTCEPSS rescore
  25. 2026-05-20 22:37 UTCEPSS rescore
  26. 2026-05-20 22:37 UTCEPSS rescore
  27. 2026-05-20 22:37 UTCEPSS rescore
  28. 2026-05-20 09:41 UTCEG score recompute
  29. 2026-05-20 09:41 UTCGHSA enrichment
  30. 2026-05-20 05:36 UTCEG score recompute
  31. 2026-05-20 05:36 UTCGHSA enrichment
  32. 2026-05-20 01:37 UTCEG score recompute
  33. 2026-05-20 01:37 UTCGHSA enrichment
  34. 2026-05-19 21:31 UTCEG score recompute
  35. 2026-05-19 21:31 UTCGHSA enrichment
  36. 2026-05-19 17:24 UTCEG score recompute
  37. 2026-05-19 17:24 UTCGHSA enrichment
  38. 2026-05-19 13:09 UTCEG score recompute
  39. 2026-05-19 13:09 UTCGHSA enrichment
  40. 2026-05-19 08:51 UTCEG score recompute
  41. 2026-05-19 08:51 UTCGHSA enrichment
  42. 2026-05-19 05:02 UTCEG score recompute
  43. 2026-05-19 05:02 UTCGHSA enrichment
  44. 2026-05-19 01:17 UTCEG score recompute
  45. 2026-05-19 01:17 UTCGHSA enrichment
  46. 2026-05-18 21:29 UTCEPSS rescore
  47. 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-19630✓ verified
    First seen Jul 9, 2012

    Tiki Wiki CMS Groupware 8.3 - 'Unserialize()' PHP Code Execution (Metasploit)

    Open source ↗
  • Exploit-DBEDB-19573✓ verified
    First seen Jul 4, 2012

    Tiki Wiki CMS Groupware 8.3 - 'Unserialize()' PHP Code Execution

    Open source ↗
  • Metasploitexploit/unix/webapp/tikiwiki_unserialize_exec✓ verified
    First seen Jul 4, 2012

    Tiki Wiki unserialize() PHP Code Execution

    Open source ↗

Frequently asked(5)

What is CVE-2012-0911?
CVE-2012-0911 is a critical vulnerability published on July 12, 2012. TikiWiki CMS/Groupware before 6.7 LTS and before 8.4 allows remote attackers to execute arbitrary PHP code via a crafted serialized object in the (1) cookieName to lib/banners/bannerlib.php; (2) printpages or (3) printstructures parameter to (a) tiki-printmultipages.php or (b) tiki-printpages.php;…
When was CVE-2012-0911 disclosed?
CVE-2012-0911 was first published in the National Vulnerability Database on July 12, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-0911 actively exploited?
CVE-2012-0911 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2012-0911?
CVE-2012-0911 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2012-0911?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-0911, 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

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