Skip to content
Fencer Intel
medium 6.1

CVE-2024-8556 json

Stored XSS in modelscope/agentscope

published last yr. modified 4mo ago also GHSA-6mf6-7j75-2m6f , PYSEC-2026-1076 , EUVD-2025-6909

cvss
6.1
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

A stored cross-site scripting (XSS) vulnerability exists in modelscope/agentscope, as of the latest commit 21161fe on the main branch. The vulnerability occurs in the view for inspecting detailed run information, where a user-controllable string (run ID) is appended and rendered as HTML. This allows an attacker to execute arbitrary JavaScript code in the context of the user's browser.

Is CVE-2024-8556 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-11).

Exploits and checks

  • huntr.com https://huntr.com/bounties/8439f16b-5256-4466-bb7d-371572572a4b referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
OSV 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi agentscope
<=0.1.1
no fix listed

Affected products

  • modelscope modelscope/agentscope

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.