CVE-2021-26032

MEDIUMCVSS 6.1/10EPSS 0.98%

Last modified

CVE-2021-26032 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An issue was discovered in Joomla! 3.0.0 through 3.9.26. HTML was missing in the executable block list of MediaHelper::canUpload, leading to XSS attack vectors.. EPSS estimates a 0.98% chance of exploitation in the next 30 days.

Description

An issue was discovered in Joomla! 3.0.0 through 3.9.26. HTML was missing in the executable block list of MediaHelper::canUpload, leading to XSS attack vectors.

Metrics

CVSS 3.1
6.1/10

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

EPSS Probability
0.98%

57.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
JoomlaJoomla\!>= 3.0.0, <= 3.9.26

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-26032?
An issue was discovered in Joomla! 3.0.0 through 3.9.26. HTML was missing in the executable block list of MediaHelper::canUpload, leading to XSS attack vectors.
How severe is CVE-2021-26032?
CVE-2021-26032 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.
How do I fix CVE-2021-26032?
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.

Are you affected by CVE-2021-26032?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST