9.2

CVE-2026-46725: Remote Code Execution in extension "Content Element Selector" (ceselector)

Deferred
Published 19-05-2026Last modified 19-05-2026

Vulnerability summary

CVE-2026-46725 is a critical (CVSS 9.2) Deserialization of Untrusted Data vulnerability in typo3 extension "content element selector". EPSS estimates a 2.63% chance of exploitation in the next 30 days, higher than 85.5% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.2 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 3% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.2/10
010
Critical · v4.0 (CVE.org)
EPSS score
2.63%
0%100%
Low · +0.77 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 19-05-2026
    PublishedVulnerability first disclosed.
  2. 19-05-2026
    Last modifiedVulnerability information updated.

Description

The extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with "Persistent Mode: Static" in the plugin settings.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

2.63%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

Increase +0.77 pp

From 1.86% 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