Vulnerability · Published Oct 30, 2026 · Assigned by Patchstack
CVE-2026-78527WordPress GS Testimonial Slider plugin <= 3.3.10 - PHP Object Injection vulnerability
High 8.8
In plain English
A high-severity unsafe deserialization in GS Testimonial Slider from GS Plugins. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 68.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Contributor PHP Object Injection in GS Testimonial Slider <= 3.3.10 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| GS Plugins | GS Testimonial Slider | n/a – through 3.3.10 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H