XSS in Microsoft Internet_explorer
CVE-2021-35240
A security researcher stored XSS via a Help Server setting. This affects customers using Internet Explorer, because they do not support 'rel=noopener'.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.011 (61.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:L.
Affected products
- Microsoft Internet_explorer
- Solarwinds Orion Platform — versions 2020.2.6 and previous versions
- Solarwinds Orion_platform
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@solarwinds.com (Product, x_refsource_MISC, Vendor Advisory)
- psirt@solarwinds.com (x_refsource_MISC, Mitigation, Vendor Advisory)
- psirt@solarwinds.com (x_refsource_MISC, Vendor Advisory)
- psirt@solarwinds.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-35240?
- CVE-2021-35240 is a medium-severity vulnerability in Microsoft Internet_explorer, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2021-08-31.
- How severe is CVE-2021-35240?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-35240 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.