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CVE-2016-2803

Cross-site scripting (XSS) vulnerability in the dependency graphs in Bugzilla 2.16rc1 through 4.4...

6.1 MediumFix available

CVE-2016-2803 is a medium vulnerability (CVSS 6.1) in Mozilla Bugzilla, published May 21, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.48%, the 74th percentile. Fixed in bugzilla 4.4.12-1.mga5.

What does this mean?
Severity
6.1 MediumCVSS 3.0, NVD
Exploit chance
1.48%EPSS, 74th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
4.4.12-1.mga5bugzilla

Description

Cross-site scripting (XSS) vulnerability in the dependency graphs in Bugzilla 2.16rc1 through 4.4.11, and 4.5.1 through 5.0.2 allows remote attackers to inject arbitrary web script or HTML.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

1.48%Up 0.3 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
bugzilla
Mageia:5
before 4.4.12-1.mga5
4.4.12-1.mga5

What each source reports

NVD Score used6.1

Cross-site scripting (XSS) vulnerability in the dependency graphs in Bugzilla 2.16rc1 through 4.4.11, and 4.5.1 through 5.0.2 allows remote attackers to inject arbitrary web script or HTML.

Record
CVE-2016-2803
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE ListNo score

Cross-site scripting (XSS) vulnerability in the dependency graphs in Bugzilla 2.16rc1 through 4.4.11, and 4.5.1 through 5.0.2 allows remote attackers to inject arbitrary web script or HTML.

Record
CVE-2016-2803
Updated
2026-11-02
EUVDEUVD-2016-3876No score

Cross-site scripting (XSS) vulnerability in the dependency graphs in Bugzilla 2.16rc1 through 4.4.11, and 4.5.1 through 5.0.2 allows remote attackers to inject arbitrary web script or HTML.

Record
EUVD-2016-3876
Updated
2026-11-03
GitHub AdvisoriesGHSA-vwmr-hgcv-r4756.1

Cross-site scripting (XSS) vulnerability in the dependency graphs in Bugzilla 2.16rc1 through 4.4...

Cross-site scripting (XSS) vulnerability in the dependency graphs in Bugzilla 2.16rc1 through 4.4.11, and 4.5.1 through 5.0.2 allows remote attackers to inject arbitrary web script or HTML.

Record
GHSA-vwmr-hgcv-r475
CVSS 3.0
6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSVMGASA-2016-0201No score

Updated bugzilla packages fix CVE-2016-2803

Updated bugzilla packages fix security vulnerability:

In Bugzilla before 4.4.12, due to an incorrect parsing of the image map generated by the dot script, a specially crafted bug summary could trigger XSS in dependency graphs (CVE-2016-2803).

Record
MGASA-2016-0201
Updated
2026-11-02
OSVopenSUSE-SU-2024:10664-1No score

bugzilla-5.0.6-4.2 on GA media

These are all security issues fixed in the bugzilla-5.0.6-4.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10664-1
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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