CVE-2011-4565

Exp

Multiple cross-site scripting (XSS) vulnerabilities in XOOPS 2.5.1.a, and possibly earlier versions, allow remote attackers to inject arbitrary web script or HTML via the (1) text parameter to include/formdhtmltextarea_preview.php or (2) img BBCODE tag within the message parameter to pmlite.php (aka Private Message). NOTE: some of these details are obtained from third party information.

Published: 2011-11-28 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4565 is rated Exploit Available (56.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.32%). 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-2011-4565

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-4565

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 2026-06-15 0.47% 1.32% +0.84%
2 2025-03-17 0.43% 0.47% +0.04%
3 2024-12-17 — 0.43% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4565

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/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:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-4565

Affected software / configurations for CVE-2011-4565

Vendor Product Version Raw CPE
xoops xoops <= 2.5.1.a cpe:2.3:a:xoops:xoops:*:*:*:*:*:*:*:*
xoops xoops 2.0.2 cpe:2.3:a:xoops:xoops:2.0.2:*:*:*:*:*:*:*
xoops xoops 2.0.13.2 cpe:2.3:a:xoops:xoops:2.0.13.2:*:*:*:*:*:*:*
xoops xoops 2.0.14 cpe:2.3:a:xoops:xoops:2.0.14:*:*:*:*:*:*:*
xoops xoops 2.0.14 cpe:2.3:a:xoops:xoops:2.0.14:rc1:*:*:*:*:*:*
xoops xoops 2.0.15 cpe:2.3:a:xoops:xoops:2.0.15:*:*:*:*:*:*:*
xoops xoops 2.0.16 cpe:2.3:a:xoops:xoops:2.0.16:*:*:*:*:*:*:*
xoops xoops 2.0.17 cpe:2.3:a:xoops:xoops:2.0.17:*:*:*:*:*:*:*
xoops xoops 2.0.17.1 cpe:2.3:a:xoops:xoops:2.0.17.1:*:*:*:*:*:*:*
xoops xoops 2.0.17.1 cpe:2.3:a:xoops:xoops:2.0.17.1:rc:*:*:*:*:*:*
xoops xoops 2.0.17.1 cpe:2.3:a:xoops:xoops:2.0.17.1:rc2:*:*:*:*:*:*
xoops xoops 2.0.18 cpe:2.3:a:xoops:xoops:2.0.18:*:*:*:*:*:*:*
xoops xoops 2.0.18 cpe:2.3:a:xoops:xoops:2.0.18:rc:*:*:*:*:*:*
xoops xoops 2.0.18.1 cpe:2.3:a:xoops:xoops:2.0.18.1:*:*:*:*:*:*:*
xoops xoops 2.0.18.1 cpe:2.3:a:xoops:xoops:2.0.18.1:rc:*:*:*:*:*:*
xoops xoops 2.0.18.2 cpe:2.3:a:xoops:xoops:2.0.18.2:*:*:*:*:*:*:*
xoops xoops 2.3.0 cpe:2.3:a:xoops:xoops:2.3.0:*:*:*:*:*:*:*
xoops xoops 2.3.1 cpe:2.3:a:xoops:xoops:2.3.1:*:*:*:*:*:*:*
xoops xoops 2.3.2a cpe:2.3:a:xoops:xoops:2.3.2a:*:*:*:*:*:*:*
xoops xoops 2.3.2b cpe:2.3:a:xoops:xoops:2.3.2b:*:*:*:*:*:*:*
xoops xoops 2.3.3 cpe:2.3:a:xoops:xoops:2.3.3:*:*:*:*:*:*:*
xoops xoops 2.3.3b cpe:2.3:a:xoops:xoops:2.3.3b:*:*:*:*:*:*:*
xoops xoops 2.4.0 cpe:2.3:a:xoops:xoops:2.4.0:*:*:*:*:*:*:*
xoops xoops 2.4.1 cpe:2.3:a:xoops:xoops:2.4.1:*:*:*:*:*:*:*
xoops xoops 2.4.2 cpe:2.3:a:xoops:xoops:2.4.2:*:*:*:*:*:*:*
xoops xoops 2.4.3 cpe:2.3:a:xoops:xoops:2.4.3:*:*:*:*:*:*:*
xoops xoops 2.4.4 cpe:2.3:a:xoops:xoops:2.4.4:*:*:*:*:*:*:*
xoops xoops 2.4.5 cpe:2.3:a:xoops:xoops:2.4.5:*:*:*:*:*:*:*
xoops xoops 2.5.0 cpe:2.3:a:xoops:xoops:2.5.0:*:*:*:*:*:*:*
xoops xoops 2.5.1 cpe:2.3:a:xoops:xoops:2.5.1:*:*:*:*:*:*:*

References for CVE-2011-4565

cvelogic Threat Intelligence