CVE-2018-5123
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.50%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.50% probability · 43th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- mozilla/bugzilla
- Source
- security@mozilla.org
EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-5123Exploit, Issue Tracking, Patch, Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2018-5123Exploit, Issue Tracking, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.