How severe is CVE-2021-38355?

CVE-2021-38355 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-38355 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38355?

CVE-2021-38355 affects Bug Library Project Bug Library. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38355?

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

When was CVE-2021-38355 published?

CVE-2021-38355 was published on 2021-09-10 and last updated on 2026-06-17.

CVE-2021-38355

CVE-2021-38355 is a medium-severity vulnerability in Bug Library Project Bug Library with a CVSS 3.x base score of 6.1. 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: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bug Library Project Bug Library
Published: 2021-09-10
Last modified: 2026-06-17

Description

The Bug Library WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the successimportcount parameter found in the ~/bug-library.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.0.3.

Frequently asked questions

What is CVE-2021-38355?: The Bug Library WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the successimportcount parameter found in the ~/bug-library.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.0.3.
How severe is CVE-2021-38355?: CVE-2021-38355 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-38355 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38355?: CVE-2021-38355 affects Bug Library Project Bug Library. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38355?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-38355 published?: CVE-2021-38355 was published on 2021-09-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bug_library_project:bug_library:*:*:*:*:*:wordpress:*:*

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