How severe is CVE-2021-4312?

CVE-2021-4312 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2021-4312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-4312?

CVE-2021-4312 affects Rapidleech. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-4312?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-4312 published?

CVE-2021-4312 was published on 2023-01-13 and last updated on 2026-06-17.

CVE-2021-4312

CVE-2021-4312 is a low-severity vulnerability in Rapidleech with a CVSS 3.x base score of 3.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Rapidleech
Published: 2023-01-13
Last modified: 2026-06-17

Description

** 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.

Frequently asked questions

What is CVE-2021-4312?: ** 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.
How severe is CVE-2021-4312?: CVE-2021-4312 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2021-4312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-4312?: CVE-2021-4312 affects Rapidleech. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-4312?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-4312 published?: CVE-2021-4312 was published on 2023-01-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rapidleech:rapidleech:*:*:*:*:*:*:*:*

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