What is CVE-2021-24644?

CVE-2021-24644 is a high-severity vulnerability in Imagestowebp Project Images To Webp, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-11-23.

How severe is CVE-2021-24644?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-24644 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Imagestowebp Project Images To Webp

CVE-2021-24644

The Images to WebP WordPress plugin before 1.9 does not validate or sanitise the tab parameter before passing it to the include() function, which could lead to a Local File Inclusion issue

Vulnerability class: Path Traversal (Directory Traversal)

Published 2021-11-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.049 (91.9th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.050 · newest: 0.049 · change: -0.001

Affected products

Imagestowebp Project Images To Webp
Images To Webp — versions 1.9

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

References

wpscan.com/vulnerability/5a363eeb-9510-4535-97e2-9dfd3b10d511 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-24644?: CVE-2021-24644 is a high-severity vulnerability in Imagestowebp Project Images To Webp, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-11-23.
How severe is CVE-2021-24644?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-24644 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.