CVE-2021-26035 — MEDIUM (6.1)

Q: What is CVE-2021-26035?

CVE-2021-26035 is a vulnerability with a CVSS score of 6.1 (MEDIUM). An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the rules field of the JForm API leads to a XSS vulnerability.

Q: How severe is CVE-2021-26035?

CVE-2021-26035 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-26035?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.

Vulnerability Description

An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the rules field of the JForm API leads to a XSS vulnerability.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Joomla	Joomla\!	>= 3.0.0, <= 3.9.27

Related Weaknesses (CWE)

CWE-79

References

https://developer.joomla.org/security-centre/856-20210701-core-xss-in-jform-ruleVendor Advisory
https://developer.joomla.org/security-centre/856-20210701-core-xss-in-jform-ruleVendor Advisory

FAQ

What is CVE-2021-26035?

CVE-2021-26035 is a vulnerability with a CVSS score of 6.1 (MEDIUM). An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the rules field of the JForm API leads to a XSS vulnerability.

How severe is CVE-2021-26035?

CVE-2021-26035 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-26035?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.