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CVE-2021-24817: The Ultimate NoFollow WordPress plugin through 1.4.8 does not sanitise and escape the href attribute of its shortcodes, allowing users with a role as low as contributor to perform Cross-Site Scripting

medium Affects ultimate-nofollow (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The Ultimate NoFollow WordPress plugin through 1.4.8 does not sanitise and escape the href attribute of its shortcodes, allowing users with a role as low as contributor to perform Cross-Site Scripting

Package
ultimate-nofollow (WordPress plugin) WordPress
Affected versions
<=1.4.8
Fixed in
no fix recorded
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (49.8th percentile)
Published
2021-12-13
Source
nvd

References

CWE-79
NVD recordultimate-nofollow (WordPress plugin) advisories

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