CVE-2021-43331
MEDIUMCVSS 6.1/10EPSS 1.28%
Last modified
CVE-2021-43331 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. In GNU Mailman before 2.1.36, a crafted URL to the Cgi/options.py user options page can execute arbitrary JavaScript for XSS.. EPSS estimates a 1.28% chance of exploitation in the next 30 days.
Description
In GNU Mailman before 2.1.36, a crafted URL to the Cgi/options.py user options page can execute arbitrary JavaScript for XSS.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Mailman | < 2.1.36 |
| Debian | Debian Linux | 9.0 |
References
- https://bugs.launchpad.net/mailman/+bug/1949401Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/06/msg00011.htmlMailing List, Third Party Advisory
- https://bugs.launchpad.net/mailman/+bug/1949401Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/06/msg00011.htmlMailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-43331?
In GNU Mailman before 2.1.36, a crafted URL to the Cgi/options.py user options page can execute arbitrary JavaScript for XSS.
How severe is CVE-2021-43331?
CVE-2021-43331 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.28% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43331?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-43324LibreNMS through 21.10.2 allows XSS via a widget title.6.1
- CVE-2021-43325Automox Agent 33 on Windows incorrectly sets permissions on …7.8
- CVE-2021-43326Automox Agent before 32 on Windows incorrectly sets permissi…7.8
- CVE-2021-43327An issue was discovered on Renesas RX65 and RX65N devices. W…4.6
- CVE-2021-43329A SQL injection vulnerability in license_update.php in Mumar…9.8
- CVE-2021-4333The WP Statistics plugin for WordPress is vulnerable to Cros…6.5
- CVE-2021-43332In GNU Mailman before 2.1.36, the CSRF token for the Cgi/adm…6.5
- CVE-2021-43333The Datalogic DXU service on (for example) DL-Axist devices …6.5
- CVE-2021-43334BuddyBoss Platform through 1.8.0 allows XSS via the Group Na…5.4
- CVE-2021-43336An Out-of-Bounds Write vulnerability exists when reading a D…7.8
- CVE-2021-43337SchedMD Slurm 21.08.* before 21.08.4 has Incorrect Access Co…6.5
- CVE-2021-43338Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
Are you affected by CVE-2021-43331?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST