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CVE-2016-7111

15
FAUCET Score

CVE-2016-7111 describes a cross-site scripting (XSS) vulnerability in MantisBT versions prior to 1.3.1 and 2.x before 2.0.0-beta.2. This flaw arises from a weak Content Security Policy when the Gravatar plugin is enabled, allowing remote attackers to inject malicious scripts. Rated Medium severity (CVSS 4.7), successful exploitation requires user interaction and could lead to limited confidentiality and integrity impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.3.0CPE matchmatch criteria
cpe:2.3:a:mantisbt:mantisbt:*:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:mantisbt:mantisbt:2.0.0:beta1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.7MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 72nd percentile among its peer group of 705 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, 0.2 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: mantisbt/mantisbtFixed in: 1.3.1
composerpatch availablevia ghsa
Product: mantisbt/mantisbtFixed in: 2.0.0-beta.2
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-8vx9-hcvq-gfv8medium

MantisBT XSS through weak CSP when using Gravatar plugin

May 17, 2022

References

github.com / mantisbt/mantisbt/commit/b3511d2f
Patch
mantisbt.org / bugs/view.php
PatchVendor Advisory
openwall.com / lists/oss-security/2016/08/28/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2016/08/29/2
Mailing ListPatchThird Party Advisory