CVE-2014-2861

Incomplete blacklist vulnerability in PaperThin CommonSpot before 7.0.2 and 8.x before 8.0.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted string, as demonstrated by bypassing a protection mechanism that removes only the "alert" string.

Published: 2014-04-15 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-2861 is rated Low Risk (36.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.35%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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

Exploit prediction scoring system (EPSS) score for CVE-2014-2861

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 2025-04-12 0.55% 0.35% -0.19%
2 2025-03-17 0.19% 0.55% +0.35%
3 2025-03-05 — 0.19% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-2861

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-2014-2861

NVD evaluator notes for CVE-2014-2861

Comment: Per: https://cwe.mitre.org/data/definitions/184.html "CWE-184: Incomplete Blacklist"

Affected software / configurations for CVE-2014-2861

Vendor Product Version Raw CPE
paperthin commonspot_content_server <= 7.0.1 cpe:2.3:a:paperthin:commonspot_content_server:*:*:*:*:*:*:*:*
paperthin commonspot_content_server 8.0.0 cpe:2.3:a:paperthin:commonspot_content_server:8.0.0:*:*:*:*:*:*:*
paperthin commonspot_content_server 8.0.1 cpe:2.3:a:paperthin:commonspot_content_server:8.0.1:*:*:*:*:*:*:*
paperthin commonspot_content_server 8.0.2 cpe:2.3:a:paperthin:commonspot_content_server:8.0.2:*:*:*:*:*:*:*

References for CVE-2014-2861

URL Tags
http://www.kb.cert.org/vuls/id/437385 US Government Resource
cvelogic Threat Intelligence