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CVE-2025-51504

Microweber XSS Vulnerability in the homepage Endpoint

7.6 High

Microweber CMS 2.0 is vulnerable to Cross Site Scripting (XSS)in the /projects/profile, homepage endpoint via the last name field.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
Low
Availability
Low

Exploit likelihood

0.60%Up 0.6 points since Aug 2, 2025
90%50%10%1%

What each source reports

CVE List Score used 7.6

Microweber CMS 2.0 is vulnerable to Cross Site Scripting (XSS)in the /projects/profile, homepage endpoint via the last name field.

Record
CVE-2025-51504
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2025-23365 7.6

Microweber CMS 2.0 is vulnerable to Cross Site Scripting (XSS)in the /projects/profile, homepage endpoint via the last name field.

Record
EUVD-2025-23365
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-2x2j-3c2v-g3c2 5.1

Microweber XSS Vulnerability in the homepage Endpoint

Microweber CMS 2.0 is vulnerable to Cross Site Scripting (XSS) in the /projects/profile, homepage endpoint via the last name field.

Record
GHSA-2x2j-3c2v-g3c2
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
Weakness
CWE-79
Updated
2026-11-02
NVD 7.6

Microweber CMS 2.0 is vulnerable to Cross Site Scripting (XSS)in the /projects/profile, homepage endpoint via the last name field.

Record
CVE-2025-51504
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
OSV 7.6

Microweber CMS 2.0 is vulnerable to Cross Site Scripting (XSS)in the /projects/profile, homepage endpoint via the last name field.

Record
CVE-2025-51504
CVSS 3.1
7.6 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Updated
2026-11-02
OSVGHSA-2x2j-3c2v-g3c2 5.1

Microweber XSS Vulnerability in the homepage Endpoint

Microweber CMS 2.0 is vulnerable to Cross Site Scripting (XSS) in the /projects/profile, homepage endpoint via the last name field.

Record
GHSA-2x2j-3c2v-g3c2
CVSS 4.0
5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
Weakness
CWE-79
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
microweber/microweber
Packagist
 2.0.0 to 2.0.19 None known
microweber/microweber
Packagist
 2.0.0 to 2.0.19, plus listed versions
v2.0.0v2.0.1v2.0.10v2.0.11v2.0.12
Show 14 moreShow less
v2.0.13v2.0.14v2.0.15v2.0.16v2.0.17v2.0.18v2.0.19v2.0.3v2.0.4v2.0.5v2.0.6v2.0.7v2.0.8v2.0.9
 None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-51504 is a high vulnerability (CVSS 7.6) in Microweber, published August 1, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 48th percentile. No source names a fixed version.

References

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