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CVE-2021-24274

Ultimate Maps by Supsystic < 1.2.5 - Reflected Cross-Site scripting (XSS)

6.1 MediumPublic exploit

The Ultimate Maps by Supsystic WordPress plugin before 1.2.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

17.6%Up 17.2 points since May 7, 2021
90%50%10%1%

What each source reports

NVD Score used 6.1

The Ultimate Maps by Supsystic WordPress plugin before 1.2.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue

Record
CVE-2021-24274
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

Ultimate Maps by Supsystic < 1.2.5 - Reflected Cross-Site scripting (XSS)

The Ultimate Maps by Supsystic WordPress plugin before 1.2.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue

Record
CVE-2021-24274
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2021-11188 No score

The Ultimate Maps by Supsystic WordPress plugin before 1.2.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue

Record
EUVD-2021-11188
Updated
2026-11-03
GitHub AdvisoriesGHSA-56qq-mmjh-2622 No score

The Ultimate Maps by Supsystic WordPress plugin before 1.2.5 did not sanitise the tab parameter...

The Ultimate Maps by Supsystic WordPress plugin before 1.2.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue

Record
GHSA-56qq-mmjh-2622
Weakness
CWE-79
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, Nuclei, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-24274 is a medium vulnerability (CVSS 6.1) in Supsystic Ultimate Maps By Supsystic, published May 5, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 17.6%, the 97th percentile. No source names a fixed version.

References

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