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Fencer Vulns
medium 5.4

CVE-2026-24903 json

OrcaStatLLM Researcher Stored Cross-Site Scripting (XSS) via Log Message Injection in Session Page

published 2026-02-06 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-5643

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits
0
none known

Summary

OrcaStatLLM Researcher is an LLM Based Research Paper Generator. A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Log Message in the Session Page in OrcaStatLLM-Researcher that allows attackers to inject and execute arbitrary JavaScript code in victims' browsers through malicious research topic inputs.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
9 mo ago

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/AlgoNetLab/OrcaStatLLM-Researcher/security/advisories/GHSA-47wv-g894-82m4 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/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
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

  • AlgoNetLab OrcaStatLLM-Researcher

Classification

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

References

Sources

Fencer Vulns 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.