CVE-2026-115223 Smart Popup by Supsystic < 2.0.2 - Admin+ SSTI via Popup Text Block
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-115223?
CVE-2026-115223 is a medium-severity vulnerability in Unknown Smart Popup by Supsystic, published on 28 Oct 2026.
Official description
The Smart Popup by Supsystic WordPress plugin before 2.0.2 does not prevent template-injection payloads from being stored in a popup text block and later evaluated by its template engine, because the filter meant to strip template delimiters runs before a decoding step that reconstructs them, allowing an authenticated administrator to execute arbitrary template expressions server-side and read PHP constants such as the site's database credentials and authentication keys.
Weakness: CWE-1336
Which versions are affected by CVE-2026-115223?
How do I fix CVE-2026-115223?
No fix has been published for CVE-2026-115223 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-115223 being exploited?
There is no known exploitation of CVE-2026-115223 in the wild and no public exploit code.
Sources
Also known as GHSA-mpjc-mm6h-74q4.