WordPress Polylang plugin <= 3.9 - Broken Access Control vulnerability
- Exploited
- No known exploitation
- Fix
- No fix listed
- Who is exposed
- Not reported
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 13/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The Polylang plugin for WordPress has a missing authorization flaw that lets an attacker access functions they should not be able to reach, with limited effects on confidentiality and integrity. An attacker can exploit it remotely over the network with a low-privilege login, and no user interaction is needed.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
Missing Authorization vulnerability in WP SYNTEX Polylang polylang allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Polylang: from n/a through 3.9.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure3/25Reachable over the network · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity5.4/10CVSS 5.4
- No patch5/5No patch listed yet
What would change the score
- Would score about 68 if added to CISA KEV
- Would score about 63 if CISA's SSVC rates exploitation active
- Would score about 32 if advisories confirm default setups are exposed
Timeline
- CVE published
- Record last updated
- First seen by cve.now
Affected versions
- polylang
through 3.9
Evidence 1
- Link
Corrections
None so far.
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Questions about CVE-2026-122670
Is CVE-2026-122670 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
Which versions are affected by CVE-2026-122670?
polylang: through 3.9.Source: cve.now feed data