CVE-2020-13673

high

Published 2021-09-15 · Modified 2025-12-10

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

8.0

Description

The Drupal core Media module allows embedding internal and external media in content fields. In certain circumstances, the filter could allow an unprivileged user to inject HTML into a page when it is accessed by a trusted user with permission to embed media. In some cases, this could lead to cross-site scripting. This advisory is not covered by [Drupal Steward](/steward). Also see [Entity Embed - Moderately critical - Cross Site Request Forgery - SA-CONTRIB-2021-028](https://www.drupal.org/sa-contrib-2021-028) which addresses a similar vulnerability for that module. *Updated 18:15 UTC to clarify text.*

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`9.2.6-1`

Package impact

Ecosystem	Package	Vulnerable	Fixed
Packagist	drupal/core	`>=8.0.0,<8.9.19\|\|>=9.1.0,<9.1.13\|\|>=9.2.0,<9.2.6`	`8.9.19`
Packagist:https://packages.drupal.org/8	drupal/entity_embed	`<1.2.0`	`1.2.0`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.