CVE Explorer
CVE-2026-15100
The Post Grid Gutenberg Blocks – PostX plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'searchnoresult' Block Attribute in all versions up to, and including, 5.0.32 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is particularly concerning in a cross-privilege scena
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Post Grid Gutenberg Blocks – PostX","vendor":"wpxpo","versions":[{"lessThanOrEqual":"5.0.32","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:be9c967108c2abb4665950a1e976778e1446259d78e027f4a426a39a77d01850 · sha256:b548988b11309ab9… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":6.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:be9c967108c2abb4665950a1e976778e1446259d78e027f4a426a39a77d01850 · sha256:b548988b11309ab9… · /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_v5cweurn:baitaphish:normalized-source-record:v2:be9c967108c2abb4665950a1e976778e1446259d78e027f4a426a39a77d01850 · sha256:b548988b11309ab9… · /containers/cna/problemTypes/0/descriptions/0
Source references
5 source assertions{"url":"https://plugins.trac.wordpress.org/browser/ultimate-post/tags/5.0.32/blocks/Advanced_Search.php#L107"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:be9c967108c2abb4665950a1e976778e1446259d78e027f4a426a39a77d01850 · sha256:b548988b11309ab9… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/ultimate-post/tags/5.0.32/blocks/Advanced_Search.php#L116"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:be9c967108c2abb4665950a1e976778e1446259d78e027f4a426a39a77d01850 · sha256:b548988b11309ab9… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/ultimate-post/tags/5.0.32/classes/Blocks.php#L231"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:be9c967108c2abb4665950a1e976778e1446259d78e027f4a426a39a77d01850 · sha256:b548988b11309ab9… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/changeset?reponame=&old=3613430%40ultimate-post&new=3613430%40ultimate-post"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:be9c967108c2abb4665950a1e976778e1446259d78e027f4a426a39a77d01850 · sha256:b548988b11309ab9… · /containers/cna/references/4
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/1f645d0c-d641-4fff-a4f4-33c037de30e9?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:be9c967108c2abb4665950a1e976778e1446259d78e027f4a426a39a77d01850 · sha256:b548988b11309ab9… · /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.