CVE-2023-5732
Address bar spoofing via bidirectional characters
02 Description
Address bar spoofing via bidirectional characters
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 1.04% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 64.0% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-10-24 12:47Z3 YR AGO
- Last updated
- 2025-12-18 15:23Z10 MO AGO
- Reserved
- 2023-10-23
- Assigning CNA
- mozilla
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-450Multiple Interpretations of UI InputBase
- Data version
- 5.2
- Document digest
- d9a96216a1dfe962e1cbc6d5253ffe0821ceda79d22462e0cdf7ac083190b340
05 Affected products
06 References
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1690979
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1836962
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/10/msg00037.html
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/10/msg00042.html
- www.debian.orghttps://www.debian.org/security/2023/dsa-5535
- www.debian.orghttps://www.debian.org/security/2023/dsa-5538
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-34/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-46/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2023-47/
07 Fixed in
AlmaLinux 8
- firefox Fixed in 115.4.0-1.el8_8.alma.1
- thunderbird Fixed in 115.4.1-1.el8_8.alma.1
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 9
- firefox Fixed in 115.4.0-1.el9_2.alma.1
- firefox-x11 Fixed in 115.4.0-1.el9_2.alma.1
- thunderbird Fixed in 115.4.1-1.el9_2.alma
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- firefox Fixed in 115.4.0-1.el8_8.alma.1
- thunderbird Fixed in 115.4.1-1.el8_8.alma.1
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- firefox Fixed in 115.4.0-1.el9_2.alma.1
- firefox-x11 Fixed in 115.4.0-1.el9_2.alma.1
- thunderbird Fixed in 115.4.1-1.el9_2.alma
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- firefox-esr Fixed in 115.4.0esr-1~deb12u1
- thunderbird Fixed in 1:115.4.1-1~deb12u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- firefox-esr Fixed in 115.4.0esr-1
- thunderbird Fixed in 1:115.4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- firefox-esr Fixed in 115.4.0esr-1
- thunderbird Fixed in 1:115.4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- thunderbird Fixed in 1:115.4.1+build1-0ubuntu0.20.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- thunderbird Fixed in 1:115.4.1+build1-0ubuntu0.22.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- thunderbird Fixed in 1:115.4.1+build1-0ubuntu1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.