How severe is CVE-2026-25557?

CVE-2026-25557 has a CVSS 3.x base score of 5.4, 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-2026-25557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-25557?

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

Does CVE-2026-25557 have an EU (EUVD) identifier?

Yes. CVE-2026-25557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35836.

When was CVE-2026-25557 published?

CVE-2026-25557 was published on 2026-06-09 and last updated on 2026-06-17.

CVE-2026-25557

CVE-2026-25557 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-35836
Weakness: CWE-79
Published: 2026-06-09
Last modified: 2026-06-17

Description

Evoluted PHP Directory Listing Script through 4.0.5 contains a reflected cross-site scripting vulnerability in index.php where the dir parameter value is reflected without HTML encoding inside the HTML title element and inside anchor href attributes in the breadcrumb navigation. Attackers can inject arbitrary JavaScript via crafted dir parameter values by breaking out of the title context or injecting event handlers into breadcrumb anchor attributes to execute malicious scripts in a victim's browser.

Frequently asked questions

What is CVE-2026-25557?: Evoluted PHP Directory Listing Script through 4.0.5 contains a reflected cross-site scripting vulnerability in index.php where the dir parameter value is reflected without HTML encoding inside the HTML title element and inside anchor href attributes in the breadcrumb navigation. Attackers can inject arbitrary JavaScript via crafted dir parameter values by breaking out of the title context or injecting event handlers into breadcrumb anchor attributes to execute malicious scripts in a victim's browser.
How severe is CVE-2026-25557?: CVE-2026-25557 has a CVSS 3.x base score of 5.4, 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-2026-25557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-25557?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-25557 have an EU (EUVD) identifier?: Yes. CVE-2026-25557 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35836.
When was CVE-2026-25557 published?: CVE-2026-25557 was published on 2026-06-09 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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