How severe is CVE-2020-35126?

CVE-2020-35126 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-35126 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35126?

CVE-2020-35126 affects Typesettercms Typesetter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35126?

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

When was CVE-2020-35126 published?

CVE-2020-35126 was published on 2020-12-11 and last updated on 2026-06-17.

CVE-2020-35126

CVE-2020-35126 is a medium-severity vulnerability in Typesettercms Typesetter with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Typesettercms Typesetter
Published: 2020-12-11
Last modified: 2026-06-17

Description

Typesetter CMS 5.x through 5.1 allows admins to conduct Site Title persistent XSS attacks via an Admin/Configuration URI. NOTE: the significance of this report is disputed because "admins are considered trustworthy.

Frequently asked questions

What is CVE-2020-35126?: Typesetter CMS 5.x through 5.1 allows admins to conduct Site Title persistent XSS attacks via an Admin/Configuration URI. NOTE: the significance of this report is disputed because "admins are considered trustworthy.
How severe is CVE-2020-35126?: CVE-2020-35126 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-35126 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35126?: CVE-2020-35126 affects Typesettercms Typesetter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35126?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-35126 published?: CVE-2020-35126 was published on 2020-12-11 and last updated on 2026-06-17.

References

https://www.exploit-db.com/exploits/48852

Affected products (1)

cpe:2.3:a:typesettercms:typesetter:*:*:*:*:*:*:*:*

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