How severe is CVE-2023-49833?

CVE-2023-49833 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-49833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49833?

CVE-2023-49833 affects Brainstormforce Spectra. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49833?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-49833 published?

CVE-2023-49833 was published on 2023-12-14 and last updated on 2026-06-17.

CVE-2023-49833

CVE-2023-49833 is a medium-severity vulnerability in Brainstormforce Spectra with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Brainstormforce Spectra
Published: 2023-12-14
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Brainstorm Force Spectra – WordPress Gutenberg Blocks allows Stored XSS.This issue affects Spectra – WordPress Gutenberg Blocks: from n/a through 2.7.9.

Frequently asked questions

What is CVE-2023-49833?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Brainstorm Force Spectra – WordPress Gutenberg Blocks allows Stored XSS.This issue affects Spectra – WordPress Gutenberg Blocks: from n/a through 2.7.9.
How severe is CVE-2023-49833?: CVE-2023-49833 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-49833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49833?: CVE-2023-49833 affects Brainstormforce Spectra. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49833?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-49833 published?: CVE-2023-49833 was published on 2023-12-14 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/ultimate-addons-for-gutenberg/wordpress-spectra-plugin-2-7-9-cross-site-scripting-xss-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:brainstormforce:spectra:*:*:*:*:*:wordpress:*:*

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