CVE-2021-23129
MEDIUMCVSS 6.1/10EPSS 0.94%
Last modified
CVE-2021-23129 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An issue was discovered in Joomla! 2.5.0 through 3.9.24. Missing filtering of messages showed to users that could lead to xss issues.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.
Description
An issue was discovered in Joomla! 2.5.0 through 3.9.24. Missing filtering of messages showed to users that could lead to xss issues.
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 |
|---|---|---|
| Joomla | Joomla\! | >= 2.5.0, < 3.9.25 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-23129?
An issue was discovered in Joomla! 2.5.0 through 3.9.24. Missing filtering of messages showed to users that could lead to xss issues.
How severe is CVE-2021-23129?
CVE-2021-23129 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23129?
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-2021-23123An issue was discovered in Joomla! 3.0.0 through 3.9.23. The…5.3
- CVE-2021-23124An issue was discovered in Joomla! 3.9.0 through 3.9.23. The…6.1
- CVE-2021-23125An issue was discovered in Joomla! 3.1.0 through 3.9.23. The…6.1
- CVE-2021-23126An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usa…5.3
- CVE-2021-23127An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usa…9.1
- CVE-2021-23128An issue was discovered in Joomla! 3.2.0 through 3.9.24. The…9.1
- CVE-2021-23130An issue was discovered in Joomla! 2.5.0 through 3.9.24. Mis…6.1
- CVE-2021-23131An issue was discovered in Joomla! 3.2.0 through 3.9.24. Mis…7.5
- CVE-2021-23132An issue was discovered in Joomla! 3.0.0 through 3.9.24. com…7.5
- CVE-2021-23133A race condition in Linux kernel SCTP sockets (net/sctp/sock…7
- CVE-2021-23134Use After Free vulnerability in nfc sockets in the Linux Ker…7.8
- CVE-2021-23135Exposure of System Data to an Unauthorized Control Sphere vu…5.5
Are you affected by CVE-2021-23129?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST