CVE Explorer

CVE-2026-13042

The RPB Chessboard plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content in all versions up to, and including, 8.1.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. WordPress's save-time kses sanitization does not mitigate this issue because the crafted payload uses only kses-allowed tags and attribu

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7816fa41f14da36c2bd4a87b61cf8203d398e528977b1d5db74168c7aa1f598e

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"RPB Chessboard","vendor":"yo35","versions":[{"lessThanOrEqual":"8.1.2","status":"affected","version":"0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions

{"url":"https://plugins.trac.wordpress.org/browser/rpb-chessboard/tags/8.1.0/php/abstractcontroller.php#L171"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/references/5

{"url":"https://plugins.trac.wordpress.org/browser/rpb-chessboard/tags/8.1.0/php/abstractcontroller.php#L190"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/references/6

{"url":"https://plugins.trac.wordpress.org/browser/rpb-chessboard/tags/8.1.0/php/abstractcontroller.php#L220"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/references/4

{"url":"https://plugins.trac.wordpress.org/browser/rpb-chessboard/tags/8.1.2/php/abstractcontroller.php#L171"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/references/2

{"url":"https://plugins.trac.wordpress.org/browser/rpb-chessboard/tags/8.1.2/php/abstractcontroller.php#L190"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/references/3

{"url":"https://plugins.trac.wordpress.org/browser/rpb-chessboard/tags/8.1.2/php/abstractcontroller.php#L220"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/references/1

{"url":"https://plugins.trac.wordpress.org/changeset?reponame=&old=3604068%40rpb-chessboard&new=3604068%40rpb-chessboard"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/references/7

{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/848b9c6d-e0db-43ad-ac6d-3674435339dd?source=cve"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3fd9abd211a704533c278529cfcdbaa8dddb2a485ae89799b83665d89a3797e0 · sha256:54b0cf1388213576… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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