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CVE-2025-49912

WordPress Email Subscription Popup plugin <= 1.2.26 - Cross Site Scripting (XSS) vulnerability

5.9 Medium

CVE-2025-49912 is a medium vulnerability (CVSS 5.9) in Nks Email Subscription Popup, published October 22, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.

What does this mean?
Severity
5.9 MediumCVSS 3.1, CVE List
Exploit chance
0.29%EPSS, 21st percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nks Email Subscription Popup email-subscribe allows Stored XSS.This issue affects Email Subscription Popup: from n/a through <= 1.2.26.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.29%Up 0.3 points since Oct 23, 2025
90%50%10%1%

Affected products

What each source reports

CVE List Score used5.9

WordPress Email Subscription Popup plugin <= 1.2.26 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nks Email Subscription Popup email-subscribe allows Stored XSS.This issue affects Email Subscription Popup: from n/a through <= 1.2.26.

Record
CVE-2025-49912
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2025-355435.9

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nks Email Subscription Popup email-subscribe allows Stored XSS.This issue affects Email Subscription Popup: from n/a through <= 1.2.26.

Record
EUVD-2025-35543
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-qwgv-86hv-c56h5.9

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nks Email Subscription Popup email-subscribe allows Stored XSS.This issue affects Email Subscription Popup: from n/a through <= 1.2.26.

Record
GHSA-qwgv-86hv-c56h
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
NVD5.9

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nks Email Subscription Popup email-subscribe allows Stored XSS.This issue affects Email Subscription Popup: from n/a through <= 1.2.26.

Record
CVE-2025-49912
CVSS 3.1
5.9 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

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

References

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