CVE-2026-15262: XSS (CVSS 5.4)

Description

The Admin Columns for ACF Fields WordPress plugin through 0.3.2 does not escape Advanced Custom Fields values before outputting them in the WordPress admin list-table columns, allowing users with contributor-level access or above to store a payload that executes as JavaScript in the session of higher-privileged users who view the affected post-list screen.

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CVSS v3.1 Score

5.4

MEDIUM

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

EPSS — Exploit Prediction

0.0013

Probability of exploitation

0.03%

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-79 Cross-site Scripting (XSS)

References

Other References

https://wpscan.com/vulnerability/dea1f3a9-2681-47a6-9e36-9d6ea799decb/

Frequently Asked Questions

What is CVE-2026-15262? +

The Admin Columns for ACF Fields WordPress plugin through 0.3.2 does not escape Advanced Custom Fields values before outputting them in the WordPress admin list-table columns, allowing users with contributor-level access or above to store a payload that executes as JavaScript in the session of higher-privileged users who view the affected post-list screen. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-15262? +

CVE-2026-15262 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0013, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-15262? +

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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CVE-2026-15262