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Fencer Intel
medium 4.8

CVE-2020-35241 json

FlatPress 1.0.3 is affected by cross-site scripting (XSS) in the Blog Content component.

published 5y ago modified 4mo ago also EUVD-2020-22919

cvss
4.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
1
Exploit-DB

Summary

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.

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Timeline

  1. First public exploit (EDB-48826)
  2. Published

Exploit prediction

2.17% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-48826 Flatpress Add Blog 1.0.3 - Persistent Cross-Site Scripting webapps, 2020-09-22
  • github.com https://github.com/hemantsolo/CVE-Reference/blob/main/CVE-2020-35241.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.