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CVE-2021-25039

MEDIUMCVSS 6.1/10EPSS 0.79%

Last modified

CVE-2021-25039 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The WordPress Multisite Content Copier/Updater WordPress plugin before 2.1.0 does not sanitise and escape the wmcc_content_type, wmcc_source_blog and wmcc_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

The WordPress Multisite Content Copier/Updater WordPress plugin before 2.1.0 does not sanitise and escape the wmcc_content_type, wmcc_source_blog and wmcc_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues

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
0.79%

51.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ObtaininfotechMultisite Content Copier\/Updater< 2.1.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-25039?
The WordPress Multisite Content Copier/Updater WordPress plugin before 2.1.0 does not sanitise and escape the wmcc_content_type, wmcc_source_blog and wmcc_record_per_page parameters before outputting them back in attributes, leading to Reflected Cross-Site Scripting issues
How severe is CVE-2021-25039?
CVE-2021-25039 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.
How do I fix CVE-2021-25039?
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-2021-25039?

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

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Source: NVD / NIST