Important Notice: This is a security release. We recommend you immediately upgrade to one of the following versions:
Below are the security advisories details:
- CIVI-SA-2020-09: Privilege Escalation via Smart Groups
- CIVI-SA-2020-10: Cross Site Scripting in Activity Details
- CIVI-SA-2020-11: CSRF on CKEditor Configuration
- CIVI-SA-2020-12: XSS in CKEditor Configuration
- CIVI-SA-2020-13: XSS in Event Summary
- CIVI-SA-2020-14: XSS in Profile Description
- CIVI-SA-2020-15: Persistant XSS in Contact Activity Tab
- CIVI-SA-2020-16: jQuery CVE-202-11022, CVE-2020-11023
- CIVI-SA-2020-17: Harden Per-Session Private Key
- CIVI-SA-2020-18: HTML Injection via Error Message
- CIVI-SA-2020-19: Edit Permission for Recurring Contributions
Additionally, there are a few small patches for recent regressions. For full information, see the release notes for 5.28.1 and 5.27.5 ESR.
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