CVE-2026-3576: The Planyo Online Reservation System plugin for WordPress is vulnerable to Server-Side Request Forgery leading
CVE-2026-3576 is a high-severity flaw (CVSS 7.2) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Planyo Online Reservation System plugin for WordPress is vulnerable to Server-Side Request Forgery leading to Local File Inclusion in all versions up to, and including, 3.0. The ulap.php file acts as an AJAX proxy and is directly accessible without WordPress bootstrapping or any authentication. The send_http_post() function validates the host of the provided URL against an allowlist that includes 'localhost', but critically fails to validate
Why this priority
- High severity
- EPSS top 5%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 8.8% (top 5%) |
| CISA exploited list | No |
| Weakness | CWE-20 |
| Published | 2026-07-11 |
| Last modified | 2026-07-13 |
Last updated 2026-07-13 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- GitHub PoC: anirbala98/CVE-2026-3576 (2 stars)
- Exploit-DB: Planyo_Online_Reservation_System 3.0 - Arbitrary File Read via SSRF
- Metasploit: Wordpress Planyo Online Reservation System Arbitrary File Read (CVE-2026-3576)
- Nuclei scan template: Planyo Online Reservation System <= 3.0 - Arbitrary File Read
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-3576?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-3576 being exploited?
CVE-2026-3576 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-3576 affect?
CVE-2026-3576 affects affected software. Severity is high (CVSS 7.2). The Planyo Online Reservation System plugin for WordPress is vulnerable to Server-Side Request Forgery leading to Local File Inclusion in all versions up to, and including, 3.0. The ulap.php file acts as an AJAX proxy and is directly access
How urgent is CVE-2026-3576?
Priority 59/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action
Software pages
WordPress vulnerabilities · PHP vulnerabilities