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CVE-2019-9889

12
FAUCET Score

CVE-2019-9889 is a directory traversal and file inclusion vulnerability in Vanilla forums prior to version 2.6.4, specifically within the getSingleIndex function of the AddonManager class. This flaw allows an authenticated attacker (high privileges required) to execute arbitrary code on the web server by crafting a malicious type value in a require call. The vulnerability has a low CVSS score of 2.7, indicating limited impact (partial confidentiality) and a low attack complexity. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.4CPE matchmatch criteria
cpe:2.3:a:vanillaforums:vanilla:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

2.7LOW

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.38%
Probability of exploitation in next 30 days
EPSS Percentile
82.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0238 is in the 98th percentile among its peer group of 709 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, 0.1 Bluesky, 0.0 Mastodon, and 0.0 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

github.com / vanilla/vanilla/compare/b043ae8...9f12b22
Third Party Advisory
github.com / vanilla/vanilla/pull/7840
Third Party Advisory
hackerone.com / reports/411140
ExploitThird Party Advisory