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CVE-2014-2021

26
FAUCET Score

CVE-2014-2021 describes a cross-site scripting (XSS) vulnerability in vBulletin versions 4.2.2 and earlier, and 5.0.x through 5.0.5, specifically within the admincp/apilog.php component. This flaw allows authenticated attackers to inject arbitrary web script or HTML via a crafted XMLRPC API request, such as by manipulating the client name. The vulnerability has a CVSS score of 3.5 (medium severity), indicating a network-based attack requiring medium complexity and authentication, with a potential impact of partial integrity compromise. While not listed on CISA's KEV catalog, an exploit module for this vulnerability is publicly available on ExploitDB, though there is no evidence of widespread active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.2.2CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*
5.0.0CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:5.0.0:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:5.0.1:*:*:*:*:*:*:*
5.0.2CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:5.0.2:*:*:*:*:*:*:*
5.0.3CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:5.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

3.5LOW

AV:N/AC:M/Au:S/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.39%
Probability of exploitation in next 30 days
EPSS Percentile
87.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-40114 · Oct 12, 2014
This CVE's current EPSS score of 0.0339 is in the 96th percentile among its peer group of 1,638 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/128691/vBulletin-5.x-4.x-Persistent-Cross-Site-Scripting.html
Exploit
seclists.org / fulldisclosure/2014/Oct/55
Exploit
seclists.org / fulldisclosure/2014/Oct/63
exchange.xforce.ibmcloud.com / vulnerabilities/97026
github.com / tintinweb/pub/tree/master/pocs/cve-2014-2021
Exploit
securityfocus.com / bid/70577
Exploit
securitytracker.com / id/1031000