What is CVE-2024-31835?

CVE-2024-31835 is a medium-severity vulnerability in Flatpress, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2024-10-01.

How severe is CVE-2024-31835?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2024-31835 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Flatpress

CVE-2024-31835

Cross Site Scripting vulnerability in flatpress CMS Flatpress v1.3 allows a remote attacker to execute arbitrary code via a crafted payload to the file name parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-10-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.011 (63.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.001

Affected products

Flatpress

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

drive.google.com/file/d/1OthtP87MduNTYur_p0RZv3moY8CrBcaM/view (Exploit)
github.com/paragbagul111/CVE-2024-31835 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-31835?: CVE-2024-31835 is a medium-severity vulnerability in Flatpress, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2024-10-01.
How severe is CVE-2024-31835?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2024-31835 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.