CVE-2021-24543

CVE-2021-24543 is a medium-severity vulnerability in Jquery-reply-to-comment Project Jquery-reply-to-comment with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Description

The jQuery Reply to Comment WordPress plugin through 1.31 does not have any CSRF check when saving its settings, nor sanitise or escape its 'Quote String' and 'Reply String' settings before outputting them in Comments, leading to a Stored Cross-Site Scripting issue.

Frequently asked questions

What is CVE-2021-24543?
The jQuery Reply to Comment WordPress plugin through 1.31 does not have any CSRF check when saving its settings, nor sanitise or escape its 'Quote String' and 'Reply String' settings before outputting them in Comments, leading to a Stored Cross-Site Scripting issue.
How severe is CVE-2021-24543?
CVE-2021-24543 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24543 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24543?
CVE-2021-24543 affects Jquery-reply-to-comment Project Jquery-reply-to-comment. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24543?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24543 published?
CVE-2021-24543 was published on 2021-10-25 and last updated on 2026-06-17.

References

Affected products (1)

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