CVE-2019-25217 — The SiteGround Optimizer plugin for WordPress is vulnerable to authorization byp

The SiteGround Optimizer plugin for WordPress is vulnerable to authorization bypass leading to Remote Code Execution and Local File Inclusion in versions up to, and including, 5.0.12 due to incorrect use of an access control attribute on the switch_php function called via the /sw

01What is this vulnerability?

The SiteGround Optimizer plugin for WordPress is vulnerable to authorization bypass leading to Remote Code Execution and Local File Inclusion in versions up to, and including, 5.0.12 due to incorrect use of an access control attribute on the switch_php function called via the /switch-php REST API route. This allows attackers to include and execute arbitrary files on the server, allowing the…

02Affected products

Vendor	Product	Versions
siteground	Speed Optimizer	The All-In-One Performance-Boosting Plugin — *

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-10-16T06:43:33.613Z
• Last modified: 2024-10-16T18:05:28.431Z

09References

• www.wordfence.com — https://www.wordfence.com/threat-intel/vulnerabilities/id/657f3bd7-2cdc-4eb6-ba5…
• blog.sucuri.net — https://blog.sucuri.net/2019/03/vulnerability-disclosure-siteground-optimizer-ca…