Patchfirst
CVE-2020-11083 Public exploit Low · 3.5 EPSS 1.1%

Stored XSS in October

October CMS · October

Official description · CVE.org

In October from version 1.0.319 and before version 1.0.466, a user with access to a markdown FormWidget that stores data persistently could create a stored XSS attack against themselves and any other users with access to the generated HTML from the field. This has been fixed in 1.0.466. For users of the RainLab.Blog plugin, this has also been fixed in 1.4.1.

Breakdown
20.8 / 100
Exploited
Not confirmed
Reports
0
Tactics
1/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. What can follow

Disclosed on 14 Jul 2020. No public exploit code or confirmed exploitation is recorded.

techniques

1 , grouped by in kill-chain order 1

CollectionTA0009

MITRE CTID mapping of the CVE · follow-on activity

Detection

0 rules for this CVE · 2 general rules for its techniques

Rules for this CVE

0 that reference CVE-2020-11083 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

General rules for this CVE’s techniques

These detect the technique in general, not this specific vulnerability.

Browser Session HijackingT11852 general rules

Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.

Am I affected? What do I upgrade to?

From GitHub Security Advisories and OSV

1 package in 1 ecosystem. Main package: october/backend.

Packagistoctober/backendGHSA-w4pj-7p68-3vgv

Upgrade to 1.0.466 or later

Set the version to 1.0.466 or later in your composer.json.

The first fix for CVE-2020-11083. No other CVE tracked by Patchfirst affects this package.

Affected versions

If you runUpgrade to
1.0.319 up to 1.0.4661.0.466

“Up to” means the second version is the fix and is not affected.

Check your lockfile against all CVEs

What security researchers reported

Not named in any threat report yet

References

5 links, grouped by NVD tag
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