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CVE-2026-65458WordPress Polylang and Polylang Pro plugins <= 3.8.5 - Sensitive Data Exposure vulnerability

Description

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Chouby Polylang and Chouby Polylang Pro allows Retrieve Embedded Sensitive Data. This issue affects Polylang: through 3.8.5; Polylang Pro: through 3.8.5.

Timeline

  1. ID reserved

    By Patchstack

  2. · 1 day later

    Published

  3. · 14 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-65458, by who scored it
Scored byCVSSScoreVector
PatchstackCNA (assigner)3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
NVDNVD · Deferred3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS (exploitation in 30 days)
0.29% · top 78% of all CVEs (12 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Affected products

What to do

Solution: Update the WordPress Polylang plugin to the latest available version (at least 3.8.6).

Solution: Update the WordPress Polylang Pro plugin to the latest available version (at least 3.8.6).

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .