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CVE-2021-24275: The Popup by Supsystic WordPress plugin before 1.10.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue

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

The Popup by Supsystic WordPress plugin before 1.10.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue

Package
popup (WordPress plugin) WordPress
Affected versions
<1.10.5
Fixed in
1.10.5
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 18% (97.2th percentile)
Published
2021-05-05
Source
nvd

References

CWE-79
NVD recordpopup (WordPress plugin) advisories

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# then
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