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Fencer Intel
medium 4.3

CVE-2011-4670 json

Multiple cross-site scripting (XSS) vulnerabilities in vTiger CRM 5.2.1 and earlier allow remote attackers to inject arbitrary web script o…

published 2011-12-02 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4588

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
2
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities in vTiger CRM 5.2.1 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) viewname parameter in a CalendarAjax action, (2) activity_mode parameter in a DetailView action, (3) contact_id and (4) parent_id parameters in an EditView action, (5) day, (6) month, (7) subtab, (8) view, and (9) viewOption parameters in the index action, and (10) start parameter in the ListView action to the Calendar module; (11) return_action and (12) return_module parameters in the EditView action, and (13) query parameter in an index action to the Campaigns module; (14) return_url and (15) workflow_id parameters in an editworkflow action to the com_vtiger_workflow module; (16) display_view parameter in an index action to the Dashboard module; (17) closingdate_end, (18) closingdate_start, (19) date_closed, (20) owner, (21) leadsource, (22) sales_stage, and (23) type parameters in a ListView action to the Potentials module; (24) folderid parameter in a SaveandRun action to the Reports module; (25) returnaction and (26) groupId parameters in a createnewgroup action, (27) mode and (28) parent parameters in a createrole action, (29) src_module in a ModuleManager action, (30) mode and (31) profile_id parameters in a profilePrivileges action, and (32) roleid parameter in a RoleDetailView to the Settings module; and (33) action parameter to the Home module and (34) module parameter to phprint.php.

Timeline

  1. First public exploit (EDB-36204)
  2. Published

Exploit prediction

2.84% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-36204 vTiger CRM 5.2.1 - 'PHPrint.php' Multiple Cross-Site Scripting Vulnerabilities webapps, 2011-10-04
  • EDB-36203 vTiger CRM 5.2.1 - 'index.php' Multiple Cross-Site Scripting Vulnerabilities (1) webapps, 2011-10-04
  • yehg.net http://yehg.net/lab/pr0js/advisories/%5BvTiger_5.2.1%5D_XSS referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/49927 referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2011/Oct/154 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.