CVE-2026-119059: Auth Bypass (CVSS 4.3)

Description

The Content Egg plugin for WordPress is vulnerable to unauthorized modification of data due to a missing per-post capability check on the ajaxUpdateProducts() function in versions up to, and including, 12.0.0. The handler verifies a static nonce ('contentegg_metabox') and the generic 'edit_posts' capability, but trusts the attacker-supplied $_POST['post_id'] verbatim and never calls current_user_can('edit_post', $post_id) — the per-object check that its sibling save_post handler saveMeta() correctly performs. This makes it possible for authenticated attackers, with contributor-level access and above, to modify Content Egg product data (_cegg_data_*) and update-timestamp post meta on arbitrary posts, including those owned by administrators.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0020

Probability of exploitation

0.10%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://plugins.trac.wordpress.org/browser/content-egg/tags/12.0.0/application/admin/EggMetabox.php#L38 https://plugins.trac.wordpress.org/browser/content-egg/tags/12.0.0/application/admin/EggMetabox.php#L436 https://plugins.trac.wordpress.org/browser/content-egg/tags/12.0.0/application/components/ContentManager.php#L1027 https://plugins.trac.wordpress.org/browser/content-egg/tags/12.0.0/application/components/ContentManager.php#L1075 https://plugins.trac.wordpress.org/changeset?reponame=&old=3773366%40content-egg&new=3773366%40content-egg https://www.wordfence.com/threat-intel/vulnerabilities/id/bc503fac-1ae6-400a-b19d-d88f0016b8aa?source=cve

Frequently Asked Questions

What is CVE-2026-119059? +

The Content Egg plugin for WordPress is vulnerable to unauthorized modification of data due to a missing per-post capability check on the ajaxUpdateProducts() function in versions up to, and including, 12.0.0. The handler verifies a static nonce ('contentegg_metabox') and the generic 'edit_posts' capability, but trusts the attacker-supplied $_POST['post_id'] verbatim and never calls current_user_can('edit_post', $post_id) — the per-object check that its sibling save_post handler saveMeta() correctly performs. This makes it possible for authenticated attackers, with contributor-level access and above, to modify Content Egg product data (_cegg_data_*) and update-timestamp post meta on arbitrary posts, including those owned by administrators. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-119059? +

CVE-2026-119059 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0020, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-119059? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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