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CVE-2018-5123

A third party website can access information available to a user with access to a restricted bug...

8.8 HighFix available

A third party website can access information available to a user with access to a restricted bug entry using the image generation in report.cgi in all Bugzilla versions prior to 4.4.

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
High
Integrity
High
Availability
High

Exploit likelihood

0.50%Up 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

A third party website can access information available to a user with access to a restricted bug entry using the image generation in report.cgi in all Bugzilla versions prior to 4.4.

Record
CVE-2018-5123
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-352
Updated
2026-11-02
CVE List No score

A third party website can access information available to a user with access to a restricted bug entry using the image generation in report.cgi in all Bugzilla versions prior to 4.4.

Record
CVE-2018-5123
Updated
2026-11-02
EUVDEUVD-2018-16909 No score

A third party website can access information available to a user with access to a restricted bug entry using the image generation in report.cgi in all Bugzilla versions prior to 4.4.

Record
EUVD-2018-16909
Updated
2026-11-03
GitHub AdvisoriesGHSA-h29x-g5g9-4c57 8.8

A third party website can access information available to a user with access to a restricted bug...

A third party website can access information available to a user with access to a restricted bug entry using the image generation in report.cgi in all Bugzilla versions prior to 4.4.

Record
GHSA-h29x-g5g9-4c57
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-352
Updated
2026-11-02
OSVMGASA-2018-0173 No score

Updated bugzilla packages fix security vulnerability

A CSRF vulnerability in Bugzilla's report.cgi would allow a third-party site to extract confidential information from a bug the victim had access to (CVE-2018-5123).

Record
MGASA-2018-0173
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
bugzilla
Mageia:6
 before 5.0.4-1.mga6
5.0.4-1.mga6

History

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

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

In short

CVE-2018-5123 is a high vulnerability (CVSS 8.8) in Mozilla Bugzilla, published March 19, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 43rd percentile. Fixed in bugzilla 5.0.4-1.mga6.

References

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