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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-8551

21
FAUCET Score

CVE-2025-8551 is a Cross-Site Scripting (XSS) vulnerability affecting atjiu pybbs up to version 6.0.0. Specifically, manipulating the "Username" argument in the /admin/comment/list file allows for remote code execution. Rated with a CVSS score of 5.4 (Medium), this vulnerability can be exploited remotely with low attack complexity and requires user interaction. A successful attack could lead to limited confidentiality and integrity impacts. While the exploit has been publicly disclosed, there is no evidence of active exploitation, nor are there readily available exploits in common frameworks like Metasploit or Nuclei. Community discussion and media coverage are minimal, indicating low current attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.0.0CPE matchmatch criteria
cpe:2.3:a:pybbs_project:pybbs:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

2.0LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
VS Confidentiality
NONE
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
PROOF_OF_CONCEPT
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 21st percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / atjiu/pybbs/commit/2fe4a51afbce0068c291bc1818bbc8f7f3b01a22
Patch
github.com / atjiu/pybbs/issues/204
ExploitIssue Tracking
github.com / atjiu/pybbs/issues/204
ExploitIssue Tracking
github.com / atjiu/pybbs/issues/204
Issue Tracking
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry