CVE-2025-53514
MEDIUMCVSS 5.9/10EPSS 0.26%
Last modified
CVE-2025-53514 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Confluence | < 1.5.0 |
References
- https://mattermost.com/security-updatesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-53514?
Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body.
How severe is CVE-2025-53514?
CVE-2025-53514 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2025-53514?
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 2025
- CVE-2025-53509A vulnerability exists in Advantech iView that allows for ar…7.1
- CVE-2025-5351A flaw was found in the key export functionality of libssh. …6.5
- CVE-2025-53510A memory corruption vulnerability exists in the PSD Image De…8.8
- CVE-2025-53511A heap-based buffer overflow vulnerability exists in the MFE…9.8
- CVE-2025-53512The /log endpoint on a Juju controller lacked sufficient aut…6.5
- CVE-2025-53513The /charms endpoint on a Juju controller lacked sufficient …6.5
- CVE-2025-53515A vulnerability exists in Advantech iView that allows for SQ…8.8
- CVE-2025-53516A reflected cross-site scripting (xss) vulnerability exists …6.1
- CVE-2025-53517Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMB…
- CVE-2025-53518An integer overflow vulnerability exists in the ABF parsing …9.8
- CVE-2025-53519A vulnerability exists in Advantech iView versions prior to …5.4
- CVE-2025-5352A critical stored Cross-Site Scripting (XSS) vulnerability e…9.6
Are you affected by CVE-2025-53514?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST