How severe is CVE-2025-40651?

CVE-2025-40651 has a CVSS 4.0 base score of 5.1, rated medium severity.

Is CVE-2025-40651 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-40651?

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

Does CVE-2025-40651 have an EU (EUVD) identifier?

Yes. CVE-2025-40651 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16310.

When was CVE-2025-40651 published?

CVE-2025-40651 was published on 2025-05-28 and last updated on 2026-06-17.

CVE-2025-40651

CVE-2025-40651 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.1. 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 4.0 base score 5.1)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16310
Weakness: CWE-79
Published: 2025-05-28
Last modified: 2026-06-17

Description

Reflected Cross-Site Scripting (XSS) vulnerability in Real Easy Store. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending the victim a malicious URL using the keyword parameter in /index.php?a=search. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.

Frequently asked questions

What is CVE-2025-40651?: Reflected Cross-Site Scripting (XSS) vulnerability in Real Easy Store. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending the victim a malicious URL using the keyword parameter in /index.php?a=search. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.
How severe is CVE-2025-40651?: CVE-2025-40651 has a CVSS 4.0 base score of 5.1, rated medium severity.
Is CVE-2025-40651 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-40651?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-40651 have an EU (EUVD) identifier?: Yes. CVE-2025-40651 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16310.
When was CVE-2025-40651 published?: CVE-2025-40651 was published on 2025-05-28 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/reflected-cross-site-scripting-xss-real-easy-store

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