How severe is CVE-2025-8551?

CVE-2025-8551 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-8551 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-8551?

CVE-2025-8551 affects Pybbs Project Pybbs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-8551?

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

Does CVE-2025-8551 have an EU (EUVD) identifier?

Yes. CVE-2025-8551 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23616.

When was CVE-2025-8551 published?

CVE-2025-8551 was published on 2025-08-05 and last updated on 2026-06-17.

CVE-2025-8551

CVE-2025-8551 is a low-severity vulnerability in Pybbs Project Pybbs with a CVSS 3.x base score of 3.5. 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: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
CVSS v4: 2.0
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23616
Weakness: CWE-79
Affected product: Pybbs Project Pybbs
Published: 2025-08-05
Last modified: 2026-06-17

Description

A vulnerability was found in atjiu pybbs up to 6.0.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /admin/comment/list. The manipulation of the argument Username leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 2fe4a51afbce0068c291bc1818bbc8f7f3b01a22. It is recommended to apply a patch to fix this issue.

Frequently asked questions

What is CVE-2025-8551?: A vulnerability was found in atjiu pybbs up to 6.0.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /admin/comment/list. The manipulation of the argument Username leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 2fe4a51afbce0068c291bc1818bbc8f7f3b01a22. It is recommended to apply a patch to fix this issue.
How severe is CVE-2025-8551?: CVE-2025-8551 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-8551 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-8551?: CVE-2025-8551 affects Pybbs Project Pybbs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-8551?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-8551 have an EU (EUVD) identifier?: Yes. CVE-2025-8551 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23616.
When was CVE-2025-8551 published?: CVE-2025-8551 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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