
Imunify360 released WAF rules 8.90 and 8.91. 8.90 is the one to note: • PHP object injection (CVE-2026-115560): new rule WPT-4087 blocks it via the session upload progress field. Same attack path as php2shell, now with its own CVE. • Stored XSS: WordPress core before 7.0.3 (CVE-2026-114570), and two LiteSpeed Cache bugs before 7.9.2 (CVE-2026-113499, CVE-2026-113500). • ACF Extended before 0.9.2.8: three takeover/overwrite bugs (CVE-2026-94267, CVE-2026-94268, CVE-2026-94262). • Zella theme: unauthenticated file upload leading to RCE (CVE-2026-75873). • Plus rules for MailOptin, LearnPress, Mang Board, Divi Plus and a Magento/Adobe Commerce template injection. 8.91 is a cleanup release and fixes a false positive in rule 77350935 that was blocking Magento sessions. https://changelog.imunify.com/waf-rules
