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CVE-2023-0066

Companion Sitemap Generator <= 4.5.1.1 - Contributor+ Stored XSS

5.4 Medium

The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.44%Up 0.4 points since Mar 14, 2023
90%50%10%1%

What each source reports

NVD Score used 5.4

The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Record
CVE-2023-0066
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
CVE List 5.4

Companion Sitemap Generator <= 4.5.1.1 - Contributor+ Stored XSS

The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Record
CVE-2023-0066
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
EUVDEUVD-2023-12167 5.4

The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Record
EUVD-2023-12167
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-h5cj-2hmj-3vwf 5.4

The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape...

The Companion Sitemap Generator WordPress plugin through 4.5.1.1 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Record
GHSA-h5cj-2hmj-3vwf
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02

Affected products

History

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

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

In short

CVE-2023-0066 is a medium vulnerability (CVSS 5.4) in Codeermeneer Companion Sitemap Generator, published March 13, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.

References

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