CVE-2021-24489

Request a Quote < 2.3.9 - Admin+ Stored Cross-Site Scripting

4.8 Medium

The Request a Quote WordPress plugin before 2.3.9 does not sanitise, validate or escape some of its settings in the admin dashboard, leading to authenticated Stored Cross-Site Scripting issues even when the unfiltered_html capability is disallowed.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.64%Up 0.2 points since Oct 26, 2021

What each source reports

NVD Score used 4.8

Record: CVE-2021-24489
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Request a Quote < 2.3.9 - Admin+ Stored Cross-Site Scripting

Record: CVE-2021-24489
Updated: 2026-11-02

EUVDEUVD-2021-11401 No score

Record: EUVD-2021-11401
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gqjm-7fj6-9xvx 4.8

The Request a Quote WordPress plugin before 2.3.5 does not sanitise, validate or escape some of...

The Request a Quote WordPress plugin before 2.3.5 does not sanitise, validate or escape some of its settings in the admin dashboard, leading to authenticated Stored Cross-Site Scripting issues even when the unfiltered_html capability is disallowed.

Record: GHSA-gqjm-7fj6-9xvx
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVCLSA-2021-1635459202 No score

Fix CVE(s): CVE-2020-24512, CVE-2020-24511, CVE-2021-24489, CVE-2020-24513

SECURITY UPDATE: New microcode data file 2021-06-08
- New Microcodes: sig 0x00050655, pf_mask 0xb7, 2018-11-16, rev 0x3000010, size 47104 sig 0x000606a5, pf_mask 0x87, 2021-03-08, rev 0xc0002f0, size 283648 sig 0x000606a6, pf_mask 0x87, 2021-04-25, rev 0xd0002a0, size 283648 sig 0x00080664, pf_mask 0x01, 2021-02-17, rev 0xb00000f, size 130048 sig 0x00080665, pf_mask 0x01, 2021-02-17, rev 0xb00000f, size 130048 sig 0x000806c1, pf_mask 0x80, 2021-03-31, rev 0x0088, size 109568 sig 0x000806c2, pf_mask 0xc2, 2021-04-07, rev 0x0016, size 94208 sig 0x000806d1, pf_mask 0xc2, 2021-04-23, rev 0x002c, size 99328 sig 0x00090661, pf_mask 0x01, 2021-02-04, rev 0x0011, size 19456 sig 0x000906c0, pf_mask 0x01, 2021-03-23, rev 0x001d, size 19456 sig 0x000a0671, pf_mask 0x02, 2021-04-11, rev 0x0040, size 100352
- Updated Microcodes: sig 0x000306f2, pf_mask 0x6f, 2021-01-27, rev 0x0046, size 34816 sig 0x000306f4, pf_mask 0x80, 2021-02-05, rev 0x0019, size 19456 sig 0x000406e3, pf_mask 0xc0, 2021-01-25, rev 0x00ea, size 105472 sig 0x000406f1, pf_mask 0xef, 2021-02-06, rev 0xb00003e, size 31744 sig 0x00050653, pf_mask 0x97, 2021-03-08, rev 0x100015b, size 34816 sig 0x00050654, pf_mask 0xb7, 2021-03-08, rev 0x2006b06, size 36864 sig 0x00050656, pf_mask 0xbf, 2021-03-08, rev 0x4003102, size 30720 sig 0x00050657, pf_mask 0xbf, 2021-03-08, rev 0x5003102, size 30720 sig 0x0005065b, pf_mask 0xbf, 2021-04-23, rev 0x7002302, size 27648 sig 0x00050663, pf_mask 0x10, 2021-02-04, rev 0x700001b, size 24576 sig 0x00050664, pf_mask 0x10, 2021-02-04, rev 0xf000019, size 24576 sig 0x00050665, pf_mask 0x10, 2021-02-04, rev 0xe000012, size 19456 sig 0x000506c9, pf_mask 0x03, 2020-10-23, rev 0x0044, size 17408 sig 0x000506ca, pf_mask 0x03, 2020-10-23, rev 0x0020, size 15360 sig 0x000506e3, pf_mask 0x36, 2021-01-25, rev 0x00ea, size 105472 sig 0x000506f1, pf_mask 0x01, 2020-10-23, rev 0x0034, size 11264 sig 0x000706a1, pf_mask 0x01, 2020-10-23, rev 0x0036, size 74752 sig 0x000706a8, pf_mask 0x01, 2020-10-23, rev 0x001a, size 75776 sig 0x000706e5, pf_mask 0x80, 2020-11-01, rev 0x00a6, size 110592 sig 0x000806a1, pf_mask 0x10, 2020-11-06, rev 0x002a, size 32768 sig 0x000806e9, pf_mask 0xc0, 2021-01-05, rev 0x00ea, size 104448 sig 0x000806e9, pf_mask 0x10, 2021-01-05, rev 0x00ea, size 104448 sig 0x000806ea, pf_mask 0xc0, 2021-01-06, rev 0x00ea, size 103424 sig 0x000806eb, pf_mask 0xd0, 2021-01-05, rev 0x00ea, size 104448 sig 0x000806ec, pf_mask 0x94, 2021-01-05, rev 0x00ea, size 104448 sig 0x000906e9, pf_mask 0x2a, 2021-01-05, rev 0x00ea, size 104448 sig 0x000906ea, pf_mask 0x22, 2021-01-05, rev 0x00ea, size 102400 sig 0x000906eb, pf_mask 0x02, 2021-01-05, rev 0x00ea, size 104448 sig 0x000906ec, pf_mask 0x22, 2021-01-05, rev 0x00ea, size 103424 sig 0x000906ed, pf_mask 0x22, 2021-01-05, rev 0x00ea, size 103424 sig 0x000a0652, pf_mask 0x20, 2021-02-07, rev 0x00ea, size 93184 sig 0x000a0653, pf_mask 0x22, 2021-03-08, rev 0x00ea, size 94208 sig 0x000a0655, pf_mask 0x22, 2021-03-08, rev 0x00ec, size 94208 sig 0x000a0660, pf_mask 0x80, 2020-12-08, rev 0x00e8, size 94208 sig 0x000a0661, pf_mask 0x80, 2021-02-07, rev 0x00ea, size 93184
- CVE-2021-24489, INTEL-TA-00442
- CVE-2020-24511, INTEL-TA-00464
- CVE-2020-24512, INTEL-TA-00464
- CVE-2020-24513, INTEL-TA-00465

Record: CLSA-2021-1635459202
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`intel-microcode` TuxCare:Ubuntu:16.04 From an advisory covering 4 CVEs	before 3.20210608.0ubuntu0.16.04.1+cloudlinux.els1	3.20210608.0ubuntu0.16.04.1+cloudlinux.els1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-24489 is a medium vulnerability (CVSS 4.8) in Emarket-design Request A Quote, published October 25, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 51st percentile. No source names a fixed version.