How severe is CVE-2025-49953?

CVE-2025-49953 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-49953 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-49953?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-49953 have an EU (EUVD) identifier?

Yes. CVE-2025-49953 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35508.

When was CVE-2025-49953 published?

CVE-2025-49953 was published on 2025-10-22 and last updated on 2026-06-17.

CVE-2025-49953

CVE-2025-49953 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35508
Weakness: CWE-79
Published: 2025-10-22
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in themeinity ShareBang, Ultimate Social Share Buttons for WordPress sharebang allows Reflected XSS.This issue affects ShareBang, Ultimate Social Share Buttons for WordPress: from n/a through <= 1.4.

Frequently asked questions

What is CVE-2025-49953?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in themeinity ShareBang, Ultimate Social Share Buttons for WordPress sharebang allows Reflected XSS.This issue affects ShareBang, Ultimate Social Share Buttons for WordPress: from n/a through <= 1.4.
How severe is CVE-2025-49953?: CVE-2025-49953 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-49953 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-49953?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-49953 have an EU (EUVD) identifier?: Yes. CVE-2025-49953 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35508.
When was CVE-2025-49953 published?: CVE-2025-49953 was published on 2025-10-22 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/sharebang/vulnerability/wordpress-sharebang-ultimate-social-share-buttons-for-wordpress-plugin-1-4-cross-site-scripting-xss-vulnerability?_s_id=cve

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