CVE-2011-4340

Exp

Multiple cross-site scripting (XSS) vulnerabilities in Symphony CMS 2.2.3 and possibly other versions before 2.2.4 allow remote authenticated users with Author privileges to inject arbitrary web script or HTML via (1) the profile parameter to extensions/profiledevkit/content/content.profile.php, as demonstrated via requests to (a) the default URI, (b) about/, or (c) drafts/; or (2) the filter parameter in symphony/lib/core/class.symphony.php, as demonstrated via requests to (d) symphony/publish/comments or (e) symphony/publish/images. NOTE: some of these details are obtained from third party information.

Published: 2012-02-12 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4340 is rated Exploit Available (57.1/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.33%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2011-4340

EDB-ID Source Kind Published Link
36280 exploit_db edb 2011-11-01 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-4340

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-01 1.38% 1.33% -0.05%
2 2026-03-19 1.56% 1.38% -0.18%
3 2026-02-28 — 1.56% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4340

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.5 2.0 LOW
AV:N/AC:M/Au:S/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 6.8 2.9 [email protected]

Weakness enumeration for CVE-2011-4340

GitHub Security Advisory for CVE-2011-4340

GHSA-wvq5-72qp-grjw · Severity: low · Ecosystem: composer — Symphony CMS vulnerable to Cross-site Scripting

Affected software / configurations for CVE-2011-4340

Vendor Product Version Raw CPE
symphony-cms symphony_cms 2.2.3 cpe:2.3:a:symphony-cms:symphony_cms:2.2.3:*:*:*:*:*:*:*

References for CVE-2011-4340

cvelogic Threat Intelligence