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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-8553

A vulnerability classified as problematic was found in atjiu pybbs up to 6.0.0.

LOW 1.9EPSS 0.28%

Does this matter?

Lower severity and a low EPSS score (0.28%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability classified as problematic was found in atjiu pybbs up to 6.0.0. This vulnerability affects unknown code of the file /admin/sensitive_word/list. The manipulation of the argument word leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 2fe4a51afbce0068c291bc1818bbc8f7f3b01a22. It is recommended to apply a patch to fix this issue.

CVSS 4.0
1.9 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.28% probability · 21th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79, CWE-94
Affected
pybbs project/pybbs
Source
cna@vuldb.com
EPSS trend
0%3%5%26 October 2026: 0.28%26 October 202626 October 2026

EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.