How severe is CVE-2021-26702?

CVE-2021-26702 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-2021-26702 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26702?

CVE-2021-26702 affects Eprints. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26702?

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

When was CVE-2021-26702 published?

CVE-2021-26702 was published on 2021-03-01 and last updated on 2026-06-17.

CVE-2021-26702

CVE-2021-26702 is a medium-severity vulnerability in Eprints 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: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Eprints
Published: 2021-03-01
Last modified: 2026-06-17

Description

EPrints 3.4.2 exposes a reflected XSS opportunity in the dataset parameter to the cgi/dataset_dictionary URI.

Frequently asked questions

What is CVE-2021-26702?: EPrints 3.4.2 exposes a reflected XSS opportunity in the dataset parameter to the cgi/dataset_dictionary URI.
How severe is CVE-2021-26702?: CVE-2021-26702 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-2021-26702 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26702?: CVE-2021-26702 affects Eprints. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26702?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-26702 published?: CVE-2021-26702 was published on 2021-03-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:eprints:eprints:3.4.2:*:*:*:*:*:*:*

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