CVE-2026-87973: XSS (CVSS 3.1)

Description

The If-So Dynamic Content WordPress plugin before 1.10.2 does not sanitize a conversion name before storing it, nor escape it when rendering the analytics page, allowing users with editor-level access to store JavaScript that executes in the session of a higher-privileged user who views that page.

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CVSS v3.1 Score

3.1

LOW

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

EPSS — Exploit Prediction

0.0012

Probability of exploitation

0.02%

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/7a141824-aabf-40a1-8021-ffd1dc4a2f7d/

Frequently Asked Questions

What is CVE-2026-87973? +

The If-So Dynamic Content WordPress plugin before 1.10.2 does not sanitize a conversion name before storing it, nor escape it when rendering the analytics page, allowing users with editor-level access to store JavaScript that executes in the session of a higher-privileged user who views that page. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2026-87973? +

CVE-2026-87973 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0012, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-87973? +

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-2026-87973