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Advisory record · GHSA-jr8m-x4p7-p3v5

TYPO3 Remote Code Execution in extension "Site Crawler" (crawler)

CVSS 7.1 HighEPSS 0.0039 · 33rd percentile

Published by the GitHub Advisory Database at 19 May 2026, 12:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
tomasnorre/crawlerPackagist>=12.0.0, <12.0.11 || <11.0.1312.0.11, 11.0.13
Identifiers
GHSA-jr8m-x4p7-p3v5 · CVE-2026-8727 · PKSA-bt63-cwpy-49h9
Weakness (CWE)
CWE-502
Tags
Published
19 May 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The TYPO3 Crawler extension (Packagist package tomasnorre/crawler) is vulnerable in versions below 11.0.13 and from 12.0.0 before 12.0.11. Exploitation requires an attacker who controls a crawled endpoint and an administrator who configures a crawler-enabled page and triggers the crawl through a Scheduler task, which can lead to remote code execution on the TYPO3 server. Upgrade to 11.0.13 or 12.0.11, which contain the fix.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.1 High 4.0 CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L CNA (TYPO3)
  • CISA KEV Not listed.
  • EPSS 0.0039, the 33rd percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 13:58 UTC First seen by agentprime
  2. 31 Oct 2026, 13:58 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.