4.3
MEDIUM
CVE-2023-5721
Mozilla Firefox Unintentional Dialog Activator
Description

It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.

INFO

Published Date :

Oct. 25, 2023, 6:17 p.m.

Last Modified :

Nov. 1, 2023, 7:24 p.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2023-5721 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mozilla firefox
2 Mozilla firefox_esr
3 Mozilla thunderbird
1 Debian debian_linux
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-5721.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1830820 Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00037.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html Mailing List Third Party Advisory
https://www.debian.org/security/2023/dsa-5535 Mailing List Third Party Advisory
https://www.debian.org/security/2023/dsa-5538 Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2023-45/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-46/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2023-47/ Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-5721 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-5721 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 01, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1830820 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1830820 Issue Tracking, Vendor Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/10/msg00037.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/10/msg00037.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html No Types Assigned https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html Mailing List, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2023/dsa-5535 No Types Assigned https://www.debian.org/security/2023/dsa-5535 Mailing List, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2023/dsa-5538 No Types Assigned https://www.debian.org/security/2023/dsa-5538 Third Party Advisory
    Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2023-45/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2023-45/ Vendor Advisory
    Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2023-46/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2023-46/ Vendor Advisory
    Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2023-47/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2023-47/ Vendor Advisory
    Added CWE NIST CWE-1021
    Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 119.0 *cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* versions up to (excluding) 115.4 *cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* versions up to (excluding) 115.4.1
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 29, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00042.html [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 29, 2023

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2023/dsa-5538 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 27, 2023

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2023/10/msg00037.html [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 26, 2023

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2023/dsa-5535 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-5721 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.03%

score

0.29453

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability