CVE-2026-3576

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-07-11. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekWeaponized
7.2EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Metasploit, epss top5pct, public exploit)
CISA-KEV: Not listedEPSS PROB: 13%CVSS: 7.2Exploit: Metasploit · epss top5pct · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 the URL scheme/protocol. This makes it possible for unauthenticated attackers to supply a file:// URL (e.g., file://localhost/etc/passwd) which bypasses the host allowlist check because parse_url() returns 'localhost' as the host. The URL is then passed to curl_init() or fopen(), both of which support the file:// protocol, allowing the attacker to read arbitrary local files on the server and have their contents returned in the HTTP response. This can lead to disclosure of sensitive files such as /etc/passwd, wp-config.php (containing database credentials and authentication keys), and other server-side files.

CVSS v3
7.2
EG Score
7.2(medium)
EG Risk
73(Track)
EG Risk 73/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity72% × 45%
Exploitation65% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
13%
EPSS %ILE
96%
KEV
Not listed

Published

July 11, 2026

Last Modified

July 13, 2026

References (12)

Vendor Advisories for CVE-2026-3576(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 105× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 161 total refreshes for this CVE.

  1. 2026-08-30 05:57 UTCEG score recompute
  2. 2026-08-30 05:57 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-28 21:41 UTCEPSS rescore
  5. 2026-08-27 21:38 UTCEG score recompute
  6. 2026-08-27 21:38 UTCGHSA enrichment
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-27 00:32 UTCEG score recompute
  9. 2026-08-27 00:32 UTCGHSA enrichment
  10. 2026-08-26 14:46 UTCEPSS rescore
  11. 2026-08-26 02:46 UTCEG score recompute
  12. 2026-08-26 02:46 UTCGHSA enrichment
  13. 2026-08-25 13:49 UTCEPSS rescore
  14. 2026-08-25 09:46 UTCGHSA enrichment
  15. 2026-08-24 20:09 UTCEG score recompute
  16. 2026-08-24 20:09 UTCGHSA enrichment
  17. 2026-08-24 03:52 UTCGHSA enrichment
  18. 2026-08-23 15:46 UTCGHSA enrichment
  19. 2026-08-23 03:42 UTCEG score recompute
  20. 2026-08-23 03:41 UTCGHSA enrichment
  21. 2026-08-23 00:19 UTCEPSS rescore
  22. 2026-08-22 15:36 UTCGHSA enrichment
  23. 2026-08-22 03:29 UTCEG score recompute
  24. 2026-08-22 03:29 UTCGHSA enrichment
  25. 2026-08-21 23:49 UTCEPSS rescore
Show 75 more
  1. 2026-08-21 15:07 UTCGHSA enrichment
  2. 2026-08-21 03:02 UTCEG score recompute
  3. 2026-08-21 03:02 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 14:47 UTCGHSA enrichment
  6. 2026-08-20 01:28 UTCEG score recompute
  7. 2026-08-20 01:28 UTCGHSA enrichment
  8. 2026-08-19 17:03 UTCEPSS rescore
  9. 2026-08-19 10:57 UTCGHSA enrichment
  10. 2026-08-18 22:52 UTCEG score recompute
  11. 2026-08-18 22:52 UTCGHSA enrichment
  12. 2026-08-18 13:48 UTCEPSS rescore
  13. 2026-08-18 10:36 UTCGHSA enrichment
  14. 2026-08-17 22:06 UTCGHSA enrichment
  15. 2026-08-17 06:13 UTCGHSA enrichment
  16. 2026-08-16 18:09 UTCEG score recompute
  17. 2026-08-16 18:09 UTCGHSA enrichment
  18. 2026-08-16 14:56 UTCEPSS rescore
  19. 2026-08-16 06:03 UTCEG score recompute
  20. 2026-08-16 06:03 UTCGHSA enrichment
  21. 2026-08-16 02:14 UTCEPSS rescore
  22. 2026-08-15 17:59 UTCGHSA enrichment
  23. 2026-08-15 05:54 UTCEG score recompute
  24. 2026-08-15 05:54 UTCGHSA enrichment
  25. 2026-08-15 01:30 UTCEPSS rescore
  26. 2026-08-14 17:48 UTCGHSA enrichment
  27. 2026-08-14 05:28 UTCEG score recompute
  28. 2026-08-14 05:28 UTCGHSA enrichment
  29. 2026-08-13 22:00 UTCEPSS rescore
  30. 2026-08-13 17:23 UTCGHSA enrichment
  31. 2026-08-13 05:13 UTCGHSA enrichment
  32. 2026-08-12 17:08 UTCEG score recompute
  33. 2026-08-12 17:08 UTCGHSA enrichment
  34. 2026-08-12 13:51 UTCEPSS rescore
  35. 2026-08-12 05:02 UTCGHSA enrichment
  36. 2026-08-11 16:57 UTCEG score recompute
  37. 2026-08-11 16:57 UTCGHSA enrichment
  38. 2026-08-11 13:43 UTCEPSS rescore
  39. 2026-08-11 04:52 UTCEG score recompute
  40. 2026-08-11 04:52 UTCGHSA enrichment
  41. 2026-08-11 00:00 UTCEPSS rescore
  42. 2026-08-10 16:47 UTCEG score recompute
  43. 2026-08-10 16:47 UTCGHSA enrichment
  44. 2026-08-10 04:27 UTCGHSA enrichment
  45. 2026-08-09 16:23 UTCEG score recompute
  46. 2026-08-09 16:23 UTCGHSA enrichment
  47. 2026-08-09 13:46 UTCEPSS rescore
  48. 2026-08-09 04:18 UTCEG score recompute
  49. 2026-08-09 04:18 UTCGHSA enrichment
  50. 2026-08-08 16:37 UTCEPSS rescore
  51. 2026-08-08 16:13 UTCGHSA enrichment
  52. 2026-08-08 04:07 UTCEG score recompute
  53. 2026-08-08 04:07 UTCGHSA enrichment
  54. 2026-08-07 16:02 UTCGHSA enrichment
  55. 2026-08-07 03:57 UTCGHSA enrichment
  56. 2026-08-06 15:52 UTCEG score recompute
  57. 2026-08-06 15:52 UTCGHSA enrichment
  58. 2026-08-06 13:46 UTCEPSS rescore
  59. 2026-08-06 03:47 UTCEG score recompute
  60. 2026-08-06 03:47 UTCGHSA enrichment
  61. 2026-08-05 19:17 UTCEPSS rescore
  62. 2026-08-05 15:42 UTCGHSA enrichment
  63. 2026-08-05 02:22 UTCEG score recompute
  64. 2026-08-05 02:21 UTCGHSA enrichment
  65. 2026-08-04 15:10 UTCEPSS rescore
  66. 2026-08-04 14:08 UTCEG score recompute
  67. 2026-08-04 14:08 UTCGHSA enrichment
  68. 2026-08-04 10:38 UTCEPSS rescore
  69. 2026-08-04 02:02 UTCGHSA enrichment
  70. 2026-08-03 13:57 UTCGHSA enrichment
  71. 2026-08-03 01:52 UTCGHSA enrichment
  72. 2026-08-02 13:47 UTCEG score recompute
  73. 2026-08-02 13:47 UTCGHSA enrichment
  74. 2026-08-02 02:27 UTCEPSS rescore
  75. 2026-08-02 01:42 UTCGHSA enrichment

Publicly available exploits

(4 references)

Working exploit code is in the public domain (1 Metasploit module) (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-52636
    First seen Aug 11, 2026

    Planyo_Online_Reservation_System 3.0 - Arbitrary File Read via SSRF

    Open source ↗
  • GitHub PoCanirbala98/CVE-2026-3576
    First seen Jul 12, 2026

    Proof of Concept exploit for CVE-2026-3576

    Open source ↗
  • Metasploitauxiliary/gather/wp_planyo_lfi_cve_2026_3576✓ verified
    First seen Jul 10, 2026

    Wordpress Planyo Online Reservation System Arbitrary File Read (CVE-2026-3576)

    Open source ↗
  • Nucleihttp/cves/2026/CVE-2026-3576.yaml
    First seen Jan 1, 2026

    Planyo Online Reservation System <= 3.0 - Arbitrary File Read

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-3576?
CVE-2026-3576 is a high vulnerability published on July 11, 2026. 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.…
When was CVE-2026-3576 disclosed?
CVE-2026-3576 was first published in the National Vulnerability Database on July 11, 2026, with the most recent update on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-3576 actively exploited?
CVE-2026-3576 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13% probability of exploitation in the next 30 days, which ranks it in the top 3.9% of all scored CVEs.
What is the CVSS score of CVE-2026-3576?
CVE-2026-3576 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-3576?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-3576, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-3576

Explore →

Is Your Infrastructure Affected by CVE-2026-3576?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs