CVE-2025-51502

Exp

Reflected Cross-Site Scripting (XSS) in Microweber CMS 2.0 via the layout parameter on the /admin/page/create page allows arbitrary JavaScript execution in the context of authenticated admin users.

Published: 2025-08-01 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2025-51502 is rated Exploit Available (56.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.71%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2025-51502

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2025-51502

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.22% 0.71% +0.50%
2 2026-05-28 0.11% 0.22% +0.11%
3 2025-12-28 — 0.11% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-51502

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.7 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-51502

GitHub Security Advisory for CVE-2025-51502

GHSA-mvj3-hc7j-vp74 · Severity: medium · Ecosystem: composer — Microweber has Reflected XSS Vulnerability in the layout Parameter

Affected software / configurations for CVE-2025-51502

Vendor Product Version Raw CPE
microweber microweber 2.0.0 cpe:2.3:a:microweber:microweber:2.0.0:*:*:*:*:*:*:*

References for CVE-2025-51502

cvelogic Threat Intelligence