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### Impact Anyone who has view rights on the `Calendar.JSONService` page, including guest users can exploit this vulnerability by accessing database info or starting a DoS attack. ### Workarounds Remove the `Calendar.JSONService` page. This will however break some functionalities. ### References Jira issue: * [FULLCAL-80: SQL injection through Calendar.JSONService](https://jira.xwiki.org/browse/FULLCAL-80) * [FULLCAL-81: SQL injection through Calendar.JSONService still exists](https://jira.xwiki.org/browse/FULLCAL-81) ### For more information If there are any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email [Security Mailing List](mailto:security@xwiki.org)
### Impact Anyone who has view rights on the `Calendar.JSONService` page, including guest users can exploit this vulnerability by accessing database info, with the exception of passwords. ### Workarounds Remove the `Calendar.JSONService` page. This will however break some functionalities. ### References Jira issue: * [FULLCAL-82: Calendar.JSONService exposes emails of all users](https://jira.xwiki.org/browse/FULLCAL-82) ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)
A cross-site scripting (XSS) vulnerabilities was identified in October CMS backend configuration forms: - **Editor Settings Markup Styles** A user with the `Global Editor Settings` permission could inject malicious HTML/JS into the stylesheet input at *Settings → Editor Settings → Markup Styles*. A specially crafted input could break out of the intended `<style>` context, allowing arbitrary script execution across backend pages for all users. --- ### Impact - Persistent XSS across the backend interface. - Exploitable by lower-privileged accounts with the above permissions. - Potential consequences include privilege escalation, session hijacking, and execution of unauthorized actions in victim sessions. --- ### Patches The vulnerability has been patched in **v4.0.12** and **v3.7.13**. Stylesheet inputs are now sanitized to prevent injection of arbitrary HTML/JS. All users are strongly encouraged to upgrade to the latest patched version. --- ### Workarounds I...
Chinese-speaking threat actors are suspected to have leveraged a compromised SonicWall VPN appliance as an initial access vector to deploy a VMware ESXi exploit that may have been developed as far back as February 2024. Cybersecurity firm Huntress, which observed the activity in December 2025 and stopped it before it could progress to the final stage, said it may have resulted in a ransomware
Cybercriminal cryptocurrency transactions totaled billions in 2025, with activity from sanctioned countries like Russia and Iran causing the largest jump.
A hacker claims to be selling nearly 40 million Condé Nast user records after leaking Wired.com data, with multiple major brands allegedly affected.
After years of security failures and partner-spying marketing, pcTattletale’s founder has pleaded guilty in a rare US federal stalkerware case.
Russian state-sponsored threat actors have been linked to a fresh set of credential harvesting attacks targeting individuals associated with a Turkish energy and nuclear research agency, as well as staff affiliated with a European think tank and organizations in North Macedonia and Uzbekistan. The activity has been attributed to APT28 (aka BlueDelta), which was attributed to a "sustained"
Linking your medical records to ChatGPT Health may give you personalized wellness answers, but it also comes with serious privacy implications.
As organizations plan for 2026, cybersecurity predictions are everywhere. Yet many strategies are still shaped by headlines and speculation rather than evidence. The real challenge isn’t a lack of forecasts—it’s identifying which predictions reflect real, emerging risks and which can safely be ignored. An upcoming webinar hosted by Bitdefender aims to cut through the noise with a data-driven