How severe is CVE-2020-35241?

CVE-2020-35241 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-2020-35241 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35241?

CVE-2020-35241 affects Flatpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35241?

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

When was CVE-2020-35241 published?

CVE-2020-35241 was published on 2020-12-30 and last updated on 2026-06-17.

CVE-2020-35241

CVE-2020-35241 is a medium-severity vulnerability in Flatpress 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: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Flatpress
Published: 2020-12-30
Last modified: 2026-06-17

Description

FlatPress 1.0.3 is affected by cross-site scripting (XSS) in the Blog Content component. This vulnerability can allow an attacker to inject the XSS payload in Blog content via the admin panel. Each time any user will go to that blog page, the XSS triggers and the attacker can steal the cookie according to the crafted payload.

Frequently asked questions

What is CVE-2020-35241?: FlatPress 1.0.3 is affected by cross-site scripting (XSS) in the Blog Content component. This vulnerability can allow an attacker to inject the XSS payload in Blog content via the admin panel. Each time any user will go to that blog page, the XSS triggers and the attacker can steal the cookie according to the crafted payload.
How severe is CVE-2020-35241?: CVE-2020-35241 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-2020-35241 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35241?: CVE-2020-35241 affects Flatpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35241?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-35241 published?: CVE-2020-35241 was published on 2020-12-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:flatpress:flatpress:1.0.3:*:*:*:*:*:*:*

More vulnerabilities in Flatpress

CVE-2023-0947 — Critical (CVSS 9.8): Path Traversal in GitHub repository flatpressblog/flatpress prior to 1.3.
CVE-2022-4606 — Critical (CVSS 9.8): PHP Remote File Inclusion in GitHub repository flatpressblog/flatpress prior to 1.3.
CVE-2020-22761 — High (CVSS 8.8): Cross Site Request Forgery (CSRF) vulnerability in FlatPress 1.1 via the DeleteFile function in flat/admin.php.
CVE-2024-4023 — High (CVSS 8.1): A stored cross-site scripting (XSS) vulnerability exists in flatpressblog/flatpress version 1.3. When a user uploads a…
CVE-2024-41290 — High (CVSS 8.1): FlatPress CMS v1.3.1 1.3 was discovered to use insecure methods to store authentication data via the cookie's component.
CVE-2023-1105 — High (CVSS 8.1): External Control of File Name or Path in GitHub repository flatpressblog/flatpress prior to 1.3.

All CVEs affecting Flatpress →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →