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Translate and boost SEO – Automatic AI translation – wpLingua stored XSS in translated page output

CVE-2026-124410

7.1HighCNA
Exploited
No known exploitation
Fix
Fixed in 3.2.0 or later
Who is exposed
Specific setups only

Do first: Check whether your setup matches what the bug needs. wpLingua plugin version 3.1.1 or earlier

Published
Last modified
Reference
Last checked
19/100 · provisional
Specific setups only
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

The Translate and boost SEO – Automatic AI translation – wpLingua WordPress plugin has a stored cross-site scripting flaw that lets an attacker inject malicious scripts into the web pages it generates. An attacker can reach it remotely without logging in, but a user must take an action for the attack to work.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpLingua Translation Service Translate and boost SEO – Automatic AI translation – wpLingua wplingua allows Stored XSS.This issue affects Translate and boost SEO – Automatic AI translation – wpLingua: from n/a through 3.1.1.

Who should check

Sites running the wpLingua 'Translate and boost SEO' WordPress plugin version 3.1.1 or earlier.

Read the source excerpt

“Plugin <= 3.1.1 is vulnerable to a medium priority Cross Site Scripting (XSS)”

patchstack.com

cve.now Index

19Pcve.now Index 19 of 100 · methodology v3 · provisional
  • Exploitation0/40No signal
  • Exposure12/25Specific setups only, reachable over the network without a login
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity7.1/10CVSS 7.1
  • No patch0/5No signal

What would change the score

  • Would score about 69 if added to CISA KEV
  • Would score about 64 if CISA's SSVC rates exploitation active

What to do

  • Check whether your setup matches what the bug needs.

    wpLingua plugin version 3.1.1 or earlier
  • Upgrade to a fixed version: 3.2.0 or later.

Check your systems with an agent

Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.

Check whether my systems are affected by CVE-2026-124410 (WordPress Translate and boost SEO – Automatic AI translation – wpLingua plugin <= 3.1.1 - Cross Site Scripting (XSS) vulnerability), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-124410 (entry last updated 2026-11-13):
Affected:
- wpLingua Translation Service Translate and boost SEO &#8211; Automatic AI translation &#8211; wpLingua: through 3.1.1
Fixed versions: 3.2.0 or later.
Conditions (all must be true for the bug to be hit):
- wpLingua plugin version 3.1.1 or earlier (source: https://patchstack.com/database/wordpress/plugin/wplingua/vulnerability/wordpress-translate-and-boost-seo-automatic-ai-translation-wplingua-plugin-3-1-1-cross-site-scripting-xss-vulnerability?_s_id=cve)
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
Attacker needs: network access, no login, a user action.
CISA KEV: CVE-2026-124410 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-124410 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://patchstack.com/database/wordpress/plugin/wplingua/vulnerability/wordpress-translate-and-boost-seo-automatic-ai-translation-wplingua-plugin-3-1-1-cross-site-scripting-xss-vulnerability?_s_id=cve
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-124410
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-124410"}.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • wplingua

    through 3.1.1

Evidence 3

CVE record · 2

Establishes: The identifier and description.

  1. Record
  2. Record

Other links · 1

  1. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-124410

Is CVE-2026-124410 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

What does this mean?

The wpLingua plugin does not properly sanitize some input, which lets an attacker inject malicious scripts into pages of the site. Those scripts can steal visitor data or hijack visitor accounts.Source: patchstack.com

Which versions are affected by CVE-2026-124410?

wplingua: through 3.1.1.Source: cve.now feed data

Am I affected, and how do I check?

All wpLingua plugin versions up to and including 3.1.1 are affected. To check, look at the installed plugin version in the WordPress admin Plugins screen; a version of 3.1.1 or earlier is in the affected range.Source: patchstack.com

How do I fix CVE-2026-124410?

Update the wpLingua plugin to version 3.2.0 or later, which the advisory says resolves the vulnerability.Source: patchstack.com