CVE-2011-5023

Exp

Cross-site scripting (XSS) vulnerability in Pligg CMS 1.1.4 allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to the search program, a different vulnerability than CVE-2011-3986.

Published: 2011-12-29 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-5023 is rated Exploit Available (58.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.61%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.19% over the last day, indicating growing attacker interest. Mandatory action: 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-2011-5023

EDB-ID Source Kind Published Link
36496 exploit_db edb 2011-12-29 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-5023

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 0.42% 1.61% +1.19%
2 2026-04-17 0.46% 0.42% -0.03%
3 2026-02-18 0.46%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-5023

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-2011-5023

Affected software / configurations for CVE-2011-5023

Vendor Product Version Raw CPE
pligg pligg_cms 1.1.4 cpe:2.3:a:pligg:pligg_cms:1.1.4:*:*:*:*:*:*:*

References for CVE-2011-5023

cvelogic Threat Intelligence