VulnerabilityModified
CVE-2021-42841
Insta HMS before 12.4.10 is vulnerable to XSS because of improper validation of user-supplied input by multiple scripts.
MEDIUM 6.1EPSS 0.85%
Does this matter?
Lower severity and a low EPSS score (0.85%). Track it; it rarely justifies an emergency change on its own.
Description
Insta HMS before 12.4.10 is vulnerable to XSS because of improper validation of user-supplied input by multiple scripts. A remote attacker could exploit this vulnerability via a crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.85% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- practo/insta hms
- Source
- cve@mitre.org
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/210416Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/210416Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.