CVE-2021-46251
MEDIUMCVSS 6.1/10EPSS 0.55%
Last modified
CVE-2021-46251 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A reflected cross-site scripting (XSS) in ScratchOAuth2 before commit 1603f04e44ef67dde6ccffe866d2dca16defb293 allows attackers to execute arbitrary web scripts or HTML via a crafted POST request.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
A reflected cross-site scripting (XSS) in ScratchOAuth2 before commit 1603f04e44ef67dde6ccffe866d2dca16defb293 allows attackers to execute arbitrary web scripts or HTML via a crafted POST request.
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 |
|---|---|---|
| Scratchoauth2 Project | Scratchoauth2 | < 2021-04-12 |
References
- https://github.com/ScratchVerifier/ScratchOAuth2/commit/1603f04e44ef67dde6ccffe866d2dca16defb293Patch, Third Party Advisory
- https://github.com/ScratchVerifier/ScratchOAuth2/commit/1603f04e44ef67dde6ccffe866d2dca16defb293Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-46251?
A reflected cross-site scripting (XSS) in ScratchOAuth2 before commit 1603f04e44ef67dde6ccffe866d2dca16defb293 allows attackers to execute arbitrary web scripts or HTML via a crafted POST request.
How severe is CVE-2021-46251?
CVE-2021-46251 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.
How do I fix CVE-2021-46251?
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-2021-46242HDF5 v1.13.1-1 was discovered to contain a heap-use-after fr…8.8
- CVE-2021-46243An untrusted pointer dereference vulnerability exists in HDF…6.5
- CVE-2021-46244A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis …6.5
- CVE-2021-46247The use of a hard-coded cryptographic key significantly incr…7.5
- CVE-2021-46249An authorization bypass exploited by a user-controlled key i…6.5
- CVE-2021-46250An issue in SOA2Login::commented of ScratchOAuth2 before com…10
- CVE-2021-46252A Cross-Site Request Forgery (CSRF) in RequirementsBypassPag…6.5
- CVE-2021-46253A cross-site scripting (XSS) vulnerability in the Create Pos…5.4
- CVE-2021-46255eyouCMS V1.5.5-UTF8-SP3_1 suffers from Arbitrary file deleti…8.1
- CVE-2021-46262Tenda AC Series Router AC11_V02.03.01.104_CN was discovered …9.8
- CVE-2021-46263Tenda AC Series Router AC11_V02.03.01.104_CN was discovered …9.8
- CVE-2021-46264Tenda AC Series Router AC11_V02.03.01.104_CN was discovered …9.8
Are you affected by CVE-2021-46251?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST