CVE-2011-4340

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0

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

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.

CVSS v3
—
EG Score
0.0(none)
EPSS
76.8%
KEV
Not listed

Published

February 12, 2012

Last Modified

April 29, 2026

References (18)

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
symphonycms/symphony-2—2.2.4—

Data Freshness Timeline

(refreshed 10× in last 7d / 44× 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. 2026-07-06 02:19 UTCEPSS rescore
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  12. 2026-06-28 14:03 UTCEPSS rescore
  13. 2026-06-28 04:53 UTCEPSS rescore
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  15. 2026-06-27 03:05 UTCEPSS rescore
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  17. 2026-06-25 13:46 UTCEPSS rescore
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  20. 2026-06-23 21:30 UTCEPSS rescore
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  1. 2026-06-19 19:22 UTCEPSS rescore
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  8. 2026-06-16 17:49 UTCEPSS rescore
  9. 2026-06-15 17:44 UTCEPSS rescore
  10. 2026-06-14 23:14 UTCEPSS rescore
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  12. 2026-06-13 22:57 UTCEPSS rescore
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  14. 2026-06-12 23:08 UTCEPSS rescore
  15. 2026-06-11 13:56 UTCEPSS rescore
  16. 2026-06-10 22:14 UTCEPSS rescore
  17. 2026-06-10 13:17 UTCEPSS rescore
  18. 2026-06-08 14:14 UTCEPSS rescore
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  20. 2026-06-07 15:22 UTCEPSS rescore
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  22. 2026-06-06 13:45 UTCEPSS rescore
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  24. 2026-06-05 22:44 UTCEPSS rescore
  25. 2026-06-05 06:08 UTCEPSS rescore
  26. 2026-06-05 06:07 UTCEPSS rescore
  27. 2026-06-04 13:09 UTCEPSS rescore
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  29. 2026-06-02 20:10 UTCEPSS rescore
  30. 2026-06-02 20:10 UTCEPSS rescore
  31. 2026-06-01 13:49 UTCEPSS rescore
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  35. 2026-05-31 00:14 UTCEPSS rescore
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  37. 2026-05-29 13:41 UTCEPSS rescore
  38. 2026-05-29 13:40 UTCEPSS rescore
  39. 2026-05-29 05:29 UTCEG score recompute
  40. 2026-05-28 13:42 UTCEPSS rescore
  41. 2026-05-28 13:42 UTCEPSS rescore
  42. 2026-05-28 13:42 UTCEPSS rescore
  43. 2026-05-27 13:38 UTCEPSS rescore
  44. 2026-05-27 13:38 UTCEPSS rescore
  45. 2026-05-26 13:41 UTCEPSS rescore
  46. 2026-05-26 13:41 UTCEPSS rescore
  47. 2026-05-26 07:16 UTCEPSS rescore
  48. 2026-05-26 07:16 UTCEPSS rescore
  49. 2026-05-24 16:43 UTCEPSS rescore
  50. 2026-05-22 21:15 UTCEPSS rescore
  51. 2026-05-22 21:15 UTCEPSS rescore
  52. 2026-05-22 21:15 UTCEPSS rescore
  53. 2026-05-20 22:37 UTCEPSS rescore
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  56. 2026-05-20 11:21 UTCEPSS rescore
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  58. 2026-05-20 11:21 UTCEPSS rescore
  59. 2026-05-18 21:29 UTCEPSS rescore
  60. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-36280✓ verified
    First seen Nov 1, 2011

    Symphony 2.2.3 - '/symphony/publish/images?filter' Cross-Site Scripting

    Open source ↗

Frequently asked(4)

What is CVE-2011-4340?
CVE-2011-4340 is a none vulnerability published on February 12, 2012. 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…
When was CVE-2011-4340 disclosed?
CVE-2011-4340 was first published in the National Vulnerability Database on February 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-2011-4340 actively exploited?
CVE-2011-4340 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2011-4340?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4340, 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.

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