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Threat intelligence

Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.5.10 - Missing Authorization

CVE-2026-48970 · really-simple-ssl

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Really Simple Ssl at a vulnerable version. How SiteRespond intelligence works

Vulnerability
Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) <= 9.5.10 - Missing Authorization
Affected software
really-simple-ssl(Plugin)
Affected versions
  • ≤ 9.5.10
Authentication
Not specified in feed title — see source advisory
Vulnerability type
Other
Published
3 June 2026
CISA KEV
Not listed in CISA KEV at last catalog refresh
Impact
This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source

Data imported from Wordfence Intelligence (advisory be826d7f-6f8e-4942-81d5-2b00debd56fc). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Really Simple Ssl version against this catalog when the Defence plugin is connected to your WordPress site.