How severe is CVE-2021-24430?

CVE-2021-24430 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-24430 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24430?

CVE-2021-24430 affects Optimocha Speed Booster Pack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24430?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-24430 published?

CVE-2021-24430 was published on 2021-08-02 and last updated on 2026-06-17.

CVE-2021-24430

CVE-2021-24430 is a high-severity vulnerability in Optimocha Speed Booster Pack with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Optimocha Speed Booster Pack
Published: 2021-08-02
Last modified: 2026-06-17

Description

The Speed Booster Pack ⚡ PageSpeed Optimization Suite WordPress plugin before 4.2.0 did not validate its caching_exclude_urls and caching_include_query_strings settings before outputting them in a PHP file, which could lead to RCE

Frequently asked questions

What is CVE-2021-24430?: The Speed Booster Pack ⚡ PageSpeed Optimization Suite WordPress plugin before 4.2.0 did not validate its caching_exclude_urls and caching_include_query_strings settings before outputting them in a PHP file, which could lead to RCE
How severe is CVE-2021-24430?: CVE-2021-24430 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24430 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24430?: CVE-2021-24430 affects Optimocha Speed Booster Pack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24430?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-24430 published?: CVE-2021-24430 was published on 2021-08-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:optimocha:speed_booster_pack:*:*:*:*:*:wordpress:*:*

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