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VulnerabilityPublished

CVE-2026-15210: OTP Login With Phone Number, OTP Verification (WordPress plugin) · Improper Authentication

Affects OTP Login With Phone Number, OTP Verification (WordPress plugin)Source CVE Database V5

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Not known to be exploited · CVSS 9.1 Critical : upgrade to 1.8.71 as a priority.

Data as of 3 Nov 2026, 22:58 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 36% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.8.71
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

Upgrade OTP Login With Phone Number, OTP Verification (WordPress plugin) to 1.8.71.

Affected software

ProductAffectedFixed in
OTP Login With Phone Number, OTP VerificationAffected
  • <1.8.71
Fixed in
  • 1.8.71

AI-suggested

If you cannot patch yet, restrict access to the OTP verification endpoint if possible and monitor for suspicious OTP request activity. Implement rate limiting or other controls to mitigate brute-force attempts if feasible.

Description

The OTP Login With Phone Number, OTP Verification WordPress plugin before version 1.8.71 has an improper authentication vulnerability. It does not limit the number of OTP verification attempts nor invalidate the OTP after incorrect guesses. This allows unauthenticated attackers to brute-force short numeric OTP codes and potentially take over any user account, including administrators.

References

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