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CVE-2015-2149

13
FAUCET Score

CVE-2015-2149 describes multiple cross-site scripting (XSS) vulnerabilities in the administrative backend of MyBB (MyBulletinBoard) versions prior to 1.8.4. These flaws allow remote authenticated users to inject arbitrary web script or HTML through various input fields within the administrative interface. The vulnerability has a CVSS score of 3.5, indicating a medium attack complexity and requiring authentication, with potential impact limited to integrity (P) and no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.8.3CPE matchmatch criteria
cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*

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
1.63%
Probability of exploitation in next 30 days
EPSS Percentile
73.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0163 is in the 82nd percentile among its peer group of 1,637 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

blog.mybb.com / 2015/02/15/mybb-1-8-4-released-feature-update-security-maintenance-release
PatchVendor Advisory
seclists.org / fulldisclosure/2015/Feb/80
Exploit
seclists.org / oss-sec/2015/q1/629
Exploit
seclists.org / oss-sec/2015/q1/705
sroesemann.blogspot.de / 2015/02/sroeadv-2015-15.html
Exploit
securityfocus.com / bid/72738
securitytracker.com / id/1031953