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Fencer Vulns
low 3.5

CVE-2021-4312 json

Th3-822 Rapidleech zip.php zip_go cross site scripting

published 2023-01-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-34142

cvss
3.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

** UNSUPPORTED WHEN ASSIGNED ** A vulnerability classified as problematic has been found in Th3-822 Rapidleech. This affects the function zip_go of the file classes/options/zip.php. The manipulation of the argument archive leads to cross site scripting. It is possible to initiate the attack remotely. The patch is named 885a87ea4ee5e14fa95801eca255604fb2e138c6. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-218295. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Patch / fix

  • rapidleech rapidleech 2021-09-11

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA 3.0 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
CNA 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/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

Affected products

  • Th3-822 Rapidleech

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.