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Fencer Vulns
medium 4.6

CVE-2024-1240 json

Open Redirection in pyload/pyload

published 2024-11-15 23 mo ago modified 2026-06-17 4 mo ago also PYSEC-2024-123 , EUVD-2024-0155

cvss
4.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits
0
none known

Summary

An open redirection vulnerability exists in pyload/pyload version 0.5.0. The vulnerability is due to improper handling of the 'next' parameter in the login functionality. An attacker can exploit this vulnerability to redirect users to malicious sites, which can be used for phishing or other malicious activities. The issue is fixed in pyload-ng 0.5.0b3.dev79.

Patch / fix

  • pyload pyload/pyload pyload-ng 0.5.0b3.dev79
  • payload payload pyload-ng 0.5.0b3.dev79

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.com https://huntr.com/bounties/eef9513d-ccc3-4030-b574-374c5e7b887e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 4.6 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
CISA ADP 3.1 4.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 4.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L
OSV 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
pypi pyload-ng
all versions
 no fix listed

Affected products

  • pyload pyload/pyload
  • payload payload

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site

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.