HOMEVULNERABILITIESCVE-2025-51503
HIGH

CVE-2025-51503

CWE-79Published: July 31, 2025· Updated: Jun 17, 2026

7.6
CVSS v3.1

Official Description

A Stored Cross-Site Scripting (XSS) vulnerability in Microweber CMS 2.0 allows attackers to inject malicious scripts into user profile fields, leading to arbitrary JavaScript execution in admin browsers.

NVD Source

Technical Analysis

CVE-2025-51503 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.6.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Affected Vendors & Products

microweber1 product(s)
microweber
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/progprnv/CVE-Reports
ADVISORYhttps://github.com/progprnv/CVE-Reports/blob/main/CVE-2025-51503

All References (3)

→
https://github.com/progprnv/CVE-ReportsThird Party Advisory
→
https://github.com/progprnv/CVE-Reports/blob/main/CVE-2025-51503Third Party Advisory
→
https://github.com/progprnv/CVE-Reports/blob/main/MICROWEBER%20%5BAdmin%20Panel%5D%20Stored%20XSS%20in%20profile%20path.mdBroken Link

Quick Facts

CVE IDCVE-2025-51503
CVSS Score7.6 / 10
SeverityHIGH
WeaknessCWE-79
CISA KEVNo
Affected1 vendor(s)
PublishedJul 31, 2025

Related CVEs (CWE-79)

CVE-2024-6886
10.0
CVE-2026-54433
10.0
CVE-2021-32671
10.0
CVE-2023-0776
10.0
CVE-2011-3046
10.0
CVE-2025-49410
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-51503 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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