Patch Sonar

Zero-days under active attack, explained in plain English

Sitecore

4 Sitecore flaws are on CISA's list of vulnerabilities attackers have used, 0 of them added in 2026. CISA says 1 is known to be used by ransomware. The latest was added Sep 4, 2025.

4on CISA's list, all time
0added in 2026
0in the last 90 days
1used by ransomware
1zero-days, all time

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Exploited flaws added each year

Most-hit products

ProductExploited flawsMost recent
CMS and Experience Platform (XP)2Mar 26, 2025
Multiple Products1Sep 4, 2025
XP1Mar 25, 2022

Latest Sitecore flaws

Counts come from CISA's Known Exploited Vulnerabilities catalog, which lists flaws with reliable evidence of real attacks. A higher count often reflects how widely a vendor's products are used and targeted, not only how secure they are.