How severe is CVE-2020-20988?

CVE-2020-20988 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-20988 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-20988?

CVE-2020-20988 affects Domainmod. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-20988?

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

When was CVE-2020-20988 published?

CVE-2020-20988 was published on 2021-08-12 and last updated on 2026-06-17.

CVE-2020-20988

CVE-2020-20988 is a medium-severity vulnerability in Domainmod with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Domainmod
Published: 2021-08-12
Last modified: 2026-06-17

Description

A cross site scripting (XSS) vulnerability in the /domains/cost-by-owner.php component of Domainmod 4.13 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the "or Expiring Between" parameter.

Frequently asked questions

What is CVE-2020-20988?: A cross site scripting (XSS) vulnerability in the /domains/cost-by-owner.php component of Domainmod 4.13 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the "or Expiring Between" parameter.
How severe is CVE-2020-20988?: CVE-2020-20988 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-20988 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-20988?: CVE-2020-20988 affects Domainmod. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-20988?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-20988 published?: CVE-2020-20988 was published on 2021-08-12 and last updated on 2026-06-17.

References

https://mycvee.blogspot.com/p/xss2.html

Affected products (1)

cpe:2.3:a:domainmod:domainmod:4.13.0:*:*:*:*:*:*:*

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