How severe is CVE-2025-8547?

CVE-2025-8547 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-8547 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8547?

CVE-2025-8547 affects Pybbs Project Pybbs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8547?

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

Does CVE-2025-8547 have an EU (EUVD) identifier?

Yes. CVE-2025-8547 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23603.

When was CVE-2025-8547 published?

CVE-2025-8547 was published on 2025-08-05 and last updated on 2026-06-17.

CVE-2025-8547

CVE-2025-8547 is a medium-severity vulnerability in Pybbs Project Pybbs with a CVSS 3.x base score of 5.3. 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-266.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
CVSS v4: 5.5
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23603
Weakness: CWE-266
Affected product: Pybbs Project Pybbs
Published: 2025-08-05
Last modified: 2026-06-17

Description

A vulnerability has been found in atjiu pybbs up to 6.0.0 and classified as critical. This vulnerability affects unknown code of the component Email Verification Handler. The manipulation leads to improper authorization. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 044f22893bee254dc2bb0d30f614913fab3c22c2. It is recommended to apply a patch to fix this issue.

Frequently asked questions

What is CVE-2025-8547?: A vulnerability has been found in atjiu pybbs up to 6.0.0 and classified as critical. This vulnerability affects unknown code of the component Email Verification Handler. The manipulation leads to improper authorization. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 044f22893bee254dc2bb0d30f614913fab3c22c2. It is recommended to apply a patch to fix this issue.
How severe is CVE-2025-8547?: CVE-2025-8547 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-8547 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8547?: CVE-2025-8547 affects Pybbs Project Pybbs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8547?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8547 have an EU (EUVD) identifier?: Yes. CVE-2025-8547 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23603.
When was CVE-2025-8547 published?: CVE-2025-8547 was published on 2025-08-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pybbs_project:pybbs:*:*:*:*:*:*:*:*

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