How severe is CVE-2025-47786?

CVE-2025-47786 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-47786 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-47786?

CVE-2025-47786 affects Emlog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-47786?

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

Does CVE-2025-47786 have an EU (EUVD) identifier?

Yes. CVE-2025-47786 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28128.

When was CVE-2025-47786 published?

CVE-2025-47786 was published on 2025-05-15 and last updated on 2026-06-17.

CVE-2025-47786

CVE-2025-47786 is a medium-severity vulnerability in Emlog with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v4: 1.9
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28128
Weakness: CWE-79
Affected product: Emlog
Published: 2025-05-15
Last modified: 2026-06-17

Description

Emlog is an open source website building system. Version 2.5.13 has a stored cross-site scripting vulnerability that allows any registered user to construct malicious JavaScript, inducing all website users to click. In `/admin/comment.php`, the parameter `perpage_num` is not validated and is directly stored in the `admin_commend_perpage_num` field of the `emlog_options` table in the database. Moreover, the output is not filtered, resulting in the direct output of malicious code. As of time of publication, it is unclear if a patch exists.

Frequently asked questions

What is CVE-2025-47786?: Emlog is an open source website building system. Version 2.5.13 has a stored cross-site scripting vulnerability that allows any registered user to construct malicious JavaScript, inducing all website users to click. In `/admin/comment.php`, the parameter `perpage_num` is not validated and is directly stored in the `admin_commend_perpage_num` field of the `emlog_options` table in the database. Moreover, the output is not filtered, resulting in the direct output of malicious code. As of time of publication, it is unclear if a patch exists.
How severe is CVE-2025-47786?: CVE-2025-47786 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-47786 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-47786?: CVE-2025-47786 affects Emlog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-47786?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-47786 have an EU (EUVD) identifier?: Yes. CVE-2025-47786 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28128.
When was CVE-2025-47786 published?: CVE-2025-47786 was published on 2025-05-15 and last updated on 2026-06-17.

References

https://github.com/emlog/emlog/security/advisories/GHSA-82qc-9vg7-2c6c

Affected products (1)

cpe:2.3:a:emlog:emlog:2.5.13:*:*:*:pro:*:*:*

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