CVE-2026-118803 (CVSS 7.5)

Description

Bricks Theme 2.4.3 and before contains an unauthenticated dynamic-data tag injection vulnerability that allows anonymous attackers to control the urlParams object in the query_result REST endpoint, causing the submitted value to be re-parsed as a Bricks dynamic data tag. Attackers can inject tags such as author_meta:user_pass, author_meta:user_email, or cf_coupon_amount to leak post meta and the post author's user record, including the password hash, without authentication.

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CVSS v3.1 Score

7.5

HIGH

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

EPSS — Exploit Prediction

0.0037

Probability of exploitation

0.31%

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-1336 CWE-1336

References

Other References

https://bricksbuilder.io/release/bricks-2-4-4/ https://www.vulncheck.com/advisories/bricks-theme-unauthenticated-dynamic-data-tag-injection-via-query-result

Frequently Asked Questions

What is CVE-2026-118803? +

Bricks Theme 2.4.3 and before contains an unauthenticated dynamic-data tag injection vulnerability that allows anonymous attackers to control the urlParams object in the query_result REST endpoint, causing the submitted value to be re-parsed as a Bricks dynamic data tag. Attackers can inject tags such as author_meta:user_pass, author_meta:user_email, or cf_coupon_amount to leak post meta and the post author's user record, including the password hash, without authentication. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-118803? +

CVE-2026-118803 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0037, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-118803? +

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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