CVE-2021-40658
MEDIUMCVSS 4.8/10EPSS 0.54%
Last modified
CVE-2021-40658 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. Textpattern 4.8.7 is affected by a HTML injection vulnerability through “Content>Write>Body”.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.
Description
Textpattern 4.8.7 is affected by a HTML injection vulnerability through “Content>Write>Body”.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Textpattern | Textpattern | 4.8.7 |
References
- https://tanmay26.medium.com/textpattern-4-8-7-is-affected-by-html-injection-in-the-body-parameter-1a7be2441b70Exploit, Third Party Advisory
- https://tanmay26.medium.com/textpattern-4-8-7-is-affected-by-html-injection-in-the-body-parameter-1a7be2441b70Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-40658?
Textpattern 4.8.7 is affected by a HTML injection vulnerability through “Content>Write>Body”.
How severe is CVE-2021-40658?
CVE-2021-40658 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.
How do I fix CVE-2021-40658?
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-2021-4065Use after free in autofill in Google Chrome prior to 96.0.46…8.8
- CVE-2021-40650In Connx Version 6.2.0.1269 (20210623), a cookie can be issu…6.5
- CVE-2021-40651OS4Ed OpenSIS Community 8.0 is vulnerable to a local file in…6.5
- CVE-2021-40654An information disclosure issue exist in D-LINK-DIR-615 B2 2…6.5
- CVE-2021-40655An informtion disclosure issue exists in D-LINK-DIR-605 B2 F…7.5
- CVE-2021-40656libsixel before 1.10 is vulnerable to Buffer Overflow in lib…8.8
- CVE-2021-4066Integer underflow in ANGLE in Google Chrome prior to 96.0.46…8.8
- CVE-2021-40660An issue was discovered in Delight Nashorn Sandbox 0.2.0. Th…7.5
- CVE-2021-40661A remote, unauthenticated, directory traversal vulnerability…7.5
- CVE-2021-40662A Cross-Site Request Forgery (CSRF) in Chamilo LMS 1.11.14 a…8.8
- CVE-2021-40663deep.assign npm package 0.0.0-alpha.0 is vulnerable to Impro…9.8
- CVE-2021-40668The Android application HTTP File Server (Version 1.4.1) by …8.1
Are you affected by CVE-2021-40658?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST