10

CVE-2025-48200: typo3 sr_feuser_register_extension Deserialization of Untrusted Data

Deferred
Published 21-05-2025Last modified 22-05-2025

Vulnerability summary

CVE-2025-48200 is a critical (CVSS 10.0) Deserialization of Untrusted Data vulnerability in typo3 sr_feuser_register_extension. EPSS estimates a 0.86% chance of exploitation in the next 30 days, higher than 58.6% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 10 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.86%
0%100%
Low · +0.15 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 21-05-2025
    PublishedVulnerability first disclosed.
  2. 22-05-2025
    Last modifiedVulnerability information updated.

Description

The sr_feuser_register extension through 12.4.8 for TYPO3 allows Remote Code Execution.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.86%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

Increase +0.15 pp

From 0.71% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Typo31 product

1 vendor · 1 product

References

1 links