How severe is CVE-2025-51501?

CVE-2025-51501 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-51501 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-51501?

CVE-2025-51501 affects Microweber. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-51501?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-51501 have an EU (EUVD) identifier?

Yes. CVE-2025-51501 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23377.

When was CVE-2025-51501 published?

CVE-2025-51501 was published on 2025-08-01 and last updated on 2026-06-17.

CVE-2025-51501

CVE-2025-51501 is a medium-severity vulnerability in Microweber with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23377
Weakness: CWE-79
Affected product: Microweber
Published: 2025-08-01
Last modified: 2026-06-17

Description

Reflected Cross-Site Scripting (XSS) in the id parameter of the live_edit.module_settings API endpoint in Microweber CMS2.0 allows execution of arbitrary JavaScript.

Frequently asked questions

What is CVE-2025-51501?: Reflected Cross-Site Scripting (XSS) in the id parameter of the live_edit.module_settings API endpoint in Microweber CMS2.0 allows execution of arbitrary JavaScript.
How severe is CVE-2025-51501?: CVE-2025-51501 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-51501 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-51501?: CVE-2025-51501 affects Microweber. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-51501?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-51501 have an EU (EUVD) identifier?: Yes. CVE-2025-51501 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23377.
When was CVE-2025-51501 published?: CVE-2025-51501 was published on 2025-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microweber:microweber:2.0.0:*:*:*:*:*:*:*

More vulnerabilities in Microweber

CVE-2023-1877 — Critical (CVSS 9.8): Command Injection in GitHub repository microweber/microweber prior to 1.3.3.
CVE-2022-0895 — Critical (CVSS 9.8): Static Code Injection in GitHub repository microweber/microweber prior to 1.3.
CVE-2020-23138 — Critical (CVSS 9.8): An unrestricted file upload vulnerability was discovered in the Microweber 1.1.18 admin account page. An attacker can…
CVE-2023-49052 — High (CVSS 8.8): File Upload vulnerability in Microweber v.2.0.4 allows a remote attacker to execute arbitrary code via a crafted script…
CVE-2023-2240 — High (CVSS 8.8): Improper Privilege Management in GitHub repository microweber/microweber prior to 1.3.4.
CVE-2022-33012 — High (CVSS 8.8): Microweber v1.2.15 was discovered to allow attackers to perform an account takeover via a host header injection attack.

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